OPINION
MONTALI, Bankruptcy Judge.Following conversion of a case from Chapter 11 to Chapter 7, the bankruptcy court ordered debtor’s Chapter 11 counsel to disgorge a portion of its pre-petition retainer in order to equalize payments among all chapter 11 administrative claimants pursuant to section 726(b).1 The Chapter 11 counsel appealed. We hold that a professional with a valid prepetition security retainer that has been properly documented, disclosed and approved by the bankruptcy court cannot be required to surrender it in the interest of equal treatment under section 726(b). Because the bankruptcy court did not determine the validity of the “security” of the retainer at issue, we VACATE and REMAND.
I.
FACTS
Dick Cepek, Inc. (“Debtor”) retained Rus, Miliband & Smith,2 a Professional Corporation (“Appellant”) as its general bankruptcy counsel to represent it in a Chapter 11 case. Prior to bankruptcy, Appellant received a retainer from Debtor in the amount of $84,955.85 (the “Retainer”). Debtor filed its Chapter 11 case on March 12, 1999.
Appellant disclosed its receipt of the Retainer to the court, creditors and the United States Trustee when it filed and served its notice of employment application in April 1999 and when it filed and served its employment application in June 1999. Neither of these documents, nor Appellant’s Rule 2014 statement of disinterestedness or its Rule 2016(b) disclosure filed with the bankruptcy court, stated that Appellant held a security interest in the Retainer or considered itself a secured creditor as a result of the Retainer. At oral argument, counsel for Appellant confirmed that Appellant and Debtor did not execute a written agreement defining the terms of Appellant’s representation of Debtor in the bankruptcy case.
The United States Trustee stated that it had no objection to the application. On July 6, 1999, the bankruptcy court3 en*733tered an order approving the employment of Appellant as Debtor’s general bankruptcy counsel. The order, stating that “it appearing that [Appellant] is a disinterested person,” also specifically provided that Appellant could draw upon the Retainer in accordance with the “Office of the United States Trustee Guides.”4
From March 1999 to July 1999, Appellant filed “Professional Fee Statements” for services it rendered during that time period. No objections were filed in response to the Fee Statements and Appellant withdrew the Retainer from its client trust account.
On November 24, 1999, Appellant filed its first interim fee application (“First Fee Application”) requesting compensation in the amount of $100,904.50 and costs in the amount of $81,914.86. In paragraph D of the First Fee Application, Debtor noted that it had withdrawn the Retainer from its client trust account, but requested the court to authorize deduction of its allowed fees and costs “from the retainer funds on hand, to the extent such retainer funds are available or become available.” In February 2000, before the First Fee Application could be heard, the court converted the case to Chapter 7. Appellee Timothy J. Yoo was appointed as Chapter 7 trustee (“Trustee”).
In January 2003, Appellant filed its second and final fee application incorporating its First Fee Application and requesting the same amounts sought in the First Fee Application. Appellant has not received any funds other than the Retainer on account of services rendered in the bankruptcy case.
Trustee filed a final report indicating that the estate was administratively insolvent at the Chapter 11 level. The court held a hearing on Trustee’s final report and all final fee applications on December 7, 2004. Even though no Chapter 11 professional or other party (including Trustee) argued that Appellant should disgorge its Retainer, the bankruptcy court sua sponte raised the issue of whether disgorgement of the Retainer was required under section 726(b) in order to equalize the percentage distribution to all Chapter 11 administrative claimants. The court granted Appellant additional time to brief the issue.
Appellant thereafter submitted a supplement arguing that the Retainer was a security retainer. In response, Trustee argued that if Appellant held a security interest in the Retainer, it was not “disinterested” as required by section 327(a) and potentially all fees would have to be disgorged. Debtor replied that it had fully disclosed the existence of the Retainer and that the court had approved its employment as a disinterested person.
On February 8, 2005, the bankruptcy court held a continued hearing on the final fee applications; although it approved the applications (with adjustments), it reserved the disgorgement issue for further hearing. The court noted that if the Retainer provided Appellant with a security interest in the funds retained, Appellant would not be “disinterested” as required for employment under section 327 and all fees would be subject to disgorgement. The court said: “I am not persuaded by the firm’s pleadings that, you know, that it had a security interest in it’s [sic][R]etainer ... There’s nothing in [Appellant’s employment application] that says the firm is claiming a security interest in that [Retainer.”
*734On February 10, 2005, the bankruptcy court entered an order approving final compensation to Appellant in the amount of $85,246.00 in fees and $31,914.86 in costs. On February 18, 2005, the bankruptcy court held another hearing at which it ruled that Appellant would have to disgorge the Retainer. In so holding, the court relied extensively on Speaker Motor Sales Co. v. Eisen, 393 F.3d 659 (6th Cir. 2004), which held that Chapter 11 counsel had to disgorge interim fees (including those paid by retainer) to guarantee pro rata distribution to all Chapter 11 administrative claimants.
The record is unclear whether, in ordering disgorgement, the court found that Appellant held a security interest in the Retainer. Appellant contends that the court did find that it held a security interest in the Retainer, while Trustee disagrees. At the February 18 hearing, the court repeated its concern that by claiming a security interest in the Retainer, Appellant was no longer a “disinterested” person for the purposes of section 327 and that all of its fees would be subject to disgorgement. Later in the hearing, however, the court dodged the issue of whether Appellant held a security interest in the Retainer which would have disqualified it as a “disinterested” professional, stating “I don’t want to go there.” The court also noted that the Speaker decision supported disgorgement even if the fees were paid from a security retainer.
At the same hearing, the court made other statements which could be construed as a finding in favor of Appellant on this issue. For example, the court acknowledged Appellant’s position that “it had a security interest in the retainer, which it in fact did appear to have ...” and described the Retainer “as is the case here what is known as a security retainer.”
On March 31, 2005, the bankruptcy court entered its order requiring Appellant to disgorge to Trustee $54,236 of its Retainer (the “Disgorgement Order”). To add to the uncertainty whether the court found that Appellant had a security interest in the Retainer, the form of order submitted by Trustee referred to disgorgement of the “security retainer,” but the court struck out the term “security.” The court also entered an order granting a stay pending appeal of the Disgorgement Order. Appellant filed a timely notice of appeal on April 8, 2005.
II.
ISSUES
1. Did the bankruptcy court err in holding that retainers in which a professional holds a security interest are subject to disgorgement under section 726(b)?
2. If so, did Appellant hold a security interest in the Retainer?
III.
STANDARD OF REVIEW
This appeal presents primarily a question of law which we review de novo. County of El Dorado v. Crouch (In re Crouch), 199 B.R. 690, 691 (9th Cir. BAP 1996).
IV.
JURISDICTION
Jurisdictional issues may be raised by us sua sponte. See Vylene Enters., Inc. v. Naugles, Inc. (In re Vylene Enters., Inc.), 968 F.2d 887, 889 (9th Cir. 1992). In determining if it has jurisdiction, a federal court examines whether the parties have standing, the case or controversy is ripe, or the issue is moot. Lee v. State of Oregon, 107 F.3d 1382, 1387 (9th Cir.1997), “[J]usticiability requires that a *735dispute be ripe and present an actual controversy.” Menk v. LaPaglia (In re Menk), 241 B.R. 896, 905 (9th Cir. BAP 1999). Here, in light of our reversing the bankruptcy court’s legal conclusion while remanding for further factual findings, we must determine whether this appeal presents a justiciable issue under American State Bank v. Marks (In re MacNeil), 907 F.2d 903 (9th Cir.1990).
In MacNeil, the Ninth Circuit held that a bankruptcy court and BAP erred in holding that Chapter 7 administrative expenses are entitled to priority over Chapter 11 superpriority claims before deciding whether the claimant held a Chapter 11 superpriority claim in the first place. The Ninth Circuit vacated the legal holding and remanded for the factual determination. In so doing, the panel concluded that the bankruptcy court and BAP had issued an “advisory opinion.” Id. at 904. In reaching our conclusion today we have determined that we are not rendering an advisory opinion, that addressing the merits of the section 726(b) issue is appropriate, and that MacNeil no longer prohibits us from doing so.
The MacNeil majority held that the legal issue was not ripe for determination. As noted by the dissent in MacNeil, however, the majority confused “ordering of the issues” for resolution with ripeness and justiciability. The majority engaged in a “hyperbolic invocation[ ] of Article III limits to explain a common-sense refusal to decide issues that have not yet become germane in purely private litigation.” 13A Charles Alan Wright, Arthur R. Miller, Edward H. Cooper & Richard D. Freer, Federal Practice and Procedure § 3532.1 (2005 Supp.) (not addressing MacNeil specifically, but discussing misapplication of the ripeness doctrine in general by courts). Both the bankruptcy court and BAP in MacNeil were faced with a live eontrover-sy between two litigants and they resolved that controversy as a matter of law without addressing factual issues that, given the holding, were irrelevant. Courts regularly resolve cases and controversies as a matter of law without addressing factual issues within the context of Rule 56 motions for summary judgment and Rule 12(b) motions to dismiss. Otherwise, deferring resolution of a dispositive legal issue just to hear and decide possibly irrelevant factual issues results in the same harm that the ripeness doctrine is designed to prevent: the court is futilely deciding unnecessary issues. It is answering questions that do not actually require answering.
More recent Supreme Court and Ninth Circuit decisions apply a more flexible standard of ripeness than did the Mac-Neil majority. Determining whether an issue is ripe for judicial review requires a court “to evaluate (1) the fitness of issues for judicial decision and (2) the hardship to the parties of withholding court consideration.” National Park Hospitality Ass’n v. Department of Interior, 538 U.S. 803, 808, 123 S.Ct. 2026, 155 L.Ed.2d 1017 (2003); United States v. Braren, 338 F.3d 971, 975 (9th Cir.2003). Here, the bankruptcy court’s holding that section 726(b) applies to Appellant’s Retainer whether or not it was secured is fit for review. The court erred as a matter of law and its holding has been “felt in a concrete way” by Appellant. National Park Hospitality, 538 U.S. at 807, 123 S.Ct. 2026. Moreover, withholding review of the court’s erroneous legal conclusion would result in a significant hardship and waste of resources of Appellant, Trustee, and the judicial system. If we simply remanded for a factual determination of whether the Retainer is secured, a significant likelihood exists that the legal error will be repeated and the parties will return to an appellate court *736with the same issue. Refusing to decide the issue on the grounds of ripeness is inappropriate.
V.
DISCUSSION
This appeal presents an issue of first impression for the panel: can a bankruptcy court force a Chapter 11 administrative claimant to disgorge fees drawn from a prepetition retainer in which it holds a security interest in order to equalize the proportion of distributions to all Chapter 11 administrative claimants under section 726(b)? For the reasons set forth below, we believe that the bankruptcy court erred in concluding that it can.
A. A Retainer is Not Subject to Disgorgement if the Claimant Holds a Security Interest in It
Before representing a debtor in a Chapter 11 case, counsel often require a retainer. In general, three types of retainers exist: (1) classic or true retainers, (2) security retainers, and (3) advance payment retainers. In re Montgomery Drilling Co., 121 B.R. 32, 37 (Bankr.E.D.Cal.1990), citing In re McDonald Bros. Constr., Inc., 114 B.R. 989, 997-1002 (Bankr.N.D.IU. 1990).5
A security retainer is generally held as security for payment of fees for future services to be rendered by the attorney. Montgomery Drilling, 121 B.R. at 38. The retainer remains property of the client (in this case, the estate) until the attorney applies it to charges for services actually rendered. Any unearned funds are returned to the client. Id.; see also 3 Collier on Bankruptcy ¶ 328.02[3][b][i] (15th ed.2005). Appellant claims that the Retainer here is a security retainer and that it held a secured interest in the funds in the Retainer. If that is true, section 726(b) would not apply.
Section 726(b) provides that payments specified in certain paragraphs of section 507 (including administrative claims) “shall be made pro rata” among claims of a kind specified in a particular paragraph, except that following conversion to Chapter 7, Chapter 7 administrative claimants shall have priority over other administrative claimants. See 11 U.S.C. § 726(b)(emphasis added).6 To achieve pro rata distribution among a class of claimants, a court can order those claimants who have received payment during the course of a case to disgorge whatever amount is necessary to equalize the percentage of payments among all creditors in that class. Shaia v. Durrette, Irvin, Lem*737ons & Bradshaw, P.C. (In re Metropolitan Elec. Supply Corp.), 185 B.R. 505, 509-10 (Bankr.E.D.Va.1995) (collecting cases at footnote 4).
Before a court applies section 726(b), property of the debtor must be administered and reduced to cash. To the extent a party has a valid lien on property that was used to produce the cash for the estate, that lien is paid first from the proceeds of the liquidation of that property. United States v. Fed. Deposit Ins. Corp., 899 F.Supp. 50, 54 (D.R.I.1995) (“Federal bankruptcy law provides that if the property managed by the receiver [trustee] is sold to pay debts, the proceeds of the sale are used first to satisfy valid liens on the property, next for any exemptions the debtor may claim, and finally to pay claims enumerated in [section] 726.”); Waldschmidt v. Comm’r of I.R.S. (In re Lambdin), 33 B.R. 11, 13 (Bankr.M.D.Tenn.1983).
The remaining funds from the liquidation of that property are distributed to the debtor to the extent he or she has claimed an exemption in it.7 Lambdin, 33 B.R. at 13. Only the excess remaining after satisfaction of the lien and the exemption is available to pay claims against the estate in accordance with section 726. Id.; see also In re Am. Resources Management Corp., 51 B.R. 713, 719 (Bankr. D.Utah 1985) (“As a general rule, expenses of administration must be satisfied from assets of the estate not subject to liens .... Only surplus proceeds are available for distribution to creditors of the estate and administrative claimants. Therefore, absent equity in the collateral, administrative claimants cannot look to encumbered property to provide a source of payment for their claims.”) (emphasis added). Consequently, before section 726(b) is even implicated, all amounts secured by the lien created by the security retainer must be paid. Because these amounts must be paid before section 726 distributions commence, disgorgement solely on the basis of section 726(b) is impermissible.8
Applying similar reasoning, most of the courts addressing the issue of whether a security retainer must be disgorged in order to equalize distributions among Chapter 11 administrative claimants have held that the security retainer is protected from disgorgement. For example, in In re Burnside Steel Foundary Co., 90 B.R. 942, 944 (Bankr.N.D.Ill.1988), the court held that a retainer is not subject to the provisions of section 726(b) because “[section] 726 only affects distribution priorities among holders of unsecured claims, and an attorney with a retainer is, to the extent of the retainer, the holder of a secured claim.” Burnside, 90 B.R. at 944. Similarly, the court in In re Zukoski, 237 B.R. 194, 198 (Bankr.M.D.Fla.1998), held that if a case is converted to Chapter 7 from Chapter 11, a security interest in a retainer allows a Chapter 11 professional to “avoid the subordination provisions of [s]ection 726(b) to the extent that services *738were provided and approved by the bankruptcy court.” The court explained:
The rationale for this result is simple. A prepetition retainer taken by a debt- or’s lawyer generally is intended to secure future payment of fees awarded by the court. The debtor’s attorney becomes a secured creditor by taking possession of the prepetition retainer. Section 726(b), however, only affects the distribution priorities between unsecured claims because Section 507 only establishes priorities between unsecured creditors. As such, Section 726(b) has no application because the attorney holds a secured claim in the prepetition retainer to the extent the fees are allowed by the court.
Id. at 198 (internal citations omitted).
Other courts have held that a professional holding a security retainer “shall not be required to share [it] with other administrative claimants.” Weinman, Cohen & Niebrugge, P.C. v. Peters (In re Print-crafters, Inc.), 233 B.R. 113, 120 (D.Colo.1999); see also Commonwealth of Pa. v. Cunningham & Chemicoff, P.C. (In re Pannebalcer Custom Cabinet Corp.), 198 B.R. 453, 460 (Bankr.M.D.Pa.1996) (pre-petition security retainer was not subject to disgorgement simply to obtain parity among administrative claimants where funds were insufficient to pay administrative claimants in full, absent evidence of excessive or unreasonable nature of retainer); In re North Bay Tractor, Inc., 191 B.R. 186, 188 (Bankr.N.D.Cal.1996) (rejecting argument “that since retainer is property of the estate, attorney must disgorge [it] so that other claimants of equal priority receive equal dividends” because “such a rule would undermine the purpose of retainers and chill the willingness of many professionals to undertake representation of Chapter 11 debtors”) (emphasis added); In re Printing Dimensions, Inc., 153 B.R. 715, 719 (Bankr.D.Md.1993) (counsel “will not be required to share a prepetition retainer pro rata with other administrative claimants, where either the retainer is treated as security or the retainer is held in trust”).
In deciding to order disgorgement of Appellant’s Retainer, the bankruptcy court relied on the Sixth Circuit’s decision in Specker Motor Sales, 393 F.3d at 659, and on the published decisions of the bankruptcy court and the district court in the same case. In re Specker Motor Sales Co., 289 B.R. 870 (Bankr.W.D.Mich.2003), aff'd, 300 B.R. 687 (W.D.Mich.2003). While the end result of the Specker decisions was that an attorney had to disgorge his retainer in order to achieve pro rata distribution to administrative claimants under section 726, the courts never considered the nature of the security interest held by the attorney in the retainer. We do not find any of the Specker cases to be persuasive because none of them squarely addressed and analyzed the issue presented here: whether a security retainer can be used in an effort to equalize distribution percentages under section 726(b).
Rather, all three cases focused entirely on a separate issue: whether disgorgement of amounts paid is discretionary or mandatory under section 726(b). Previously, the Bankruptcy Appellate Panel for the Sixth Circuit had held that bankruptcy courts have the discretion to order (or not) under section 726(b) disgorgement of fees allowed and paid on an interim basis. See United States v. Schottenstein, Zox & Dunn (In re Unitcast, Inc.), 219 B.R. 741 (6th Cir. BAP 1998). The Specker court overruled Unitcast, holding that disgorgement was mandatory under section 726; otherwise, a “super-category” above the hierarchy of 507(a) would be created. Specker, 393 F.3d at 664.
*739The Sixth Circuit’s only mention of retainers in its decision was that they are subject to re-examination and adjustment as they “are held in trust for the estate, and remain property of the estate.” 9 Id. at 663. Neither the Sixth Circuit (nor the district court nor the bankruptcy court) considered the issue of whether the professional held a security interest in the retainer funds thereby protecting the retainer from section 726(b) disgorgement. For this reason, we will not follow Speaker but will follow the line of cases cited above that do address this issue squarely. We hold that prepetition security retainers are not subject to disgorgement simply to achieve equal distribution among similar creditors under section 726(b).
B. Did Appellant Hold a Security Interest in the Retainer?
Having concluded that valid security retainers are not subject to section 726(b) disgorgement, we now face the issue of whether Appellant held such a security retainer. As noted, it appears from the record that the bankruptcy court did not resolve this issue, having concluded that Specker applied whether or not the Retainer was a security retainer.
Appellant argues that as a matter of law, it is a secured creditor in the amount of the Retainer by virtue of Appellant’s possession and retention of the Retainer funds. There is ample law to support Appellant’s position. As noted by Collier on Bankruptcy:
With respect to “secured” retainers, courts generally hold that a professional with such a prepetition retainer is a “secured creditor” and has a security interest in the retainer, noting that the professionals receiving prepetition retainers to insure payments of fees to be earned in the chapter 11 case (or postpe-tition retainers authorized by the court) become secured creditors by virtue of a possessory interest in cash. The professional’s status as a secured creditor by virtue of the retainer does not disqualify the professional from being retained by the estate as required by section 327 of the Code.
3 Collier on Bankruptcy ¶ 328.02[4] (emphasis added and internal footnotes omitted), citing In re K & R Mining, Inc., 105 B.R. 394, 397-98 (Bankr.N.D.Ohio) (attorney “possesses a security interest in the retainer to secure payment of its attorney’s fees and expenses;” attorney is not disqualified as “not disinterested” merely because it holds a security interest in the retainer funds)10; Burnside, 90 B.R. at *740944 (attorney “who receives a prepetition retainer to insure payment of fees to be earned in the Chapter 11 case ... becomes a secured creditor, secured by a possesso-ry security interest in cash”).
California law is consistent with Collier and this case law. In In re GOCO Realty Fund I, 151 B.R. 241, 252 (Bankr.N.D.Cal.1993), the court held that a security retainer is property of the estate, but that a professional holding such a retainer “has a validly perfected security interest in the funds in his possession.” The attorney “perfects a security interest in money by taking possession of the funds” as permitted by the Uniform Commercial Code. Id. at 251.
We agree with Printcrafters and the other case law cited above that a professional holding a security interest in a prepetition retainer cannot be forced to share that retainer with other administrative claimants solely to achieve pro rata distribution under section 726(b). We also agree with Collier and K & R Mining that retention of a security retainer by an estate professional does not per se disqualify the professional as not “disinterested” under section 327, but we recognize that the inquiry into whether the professional holds interests adverse to the estate, is disinterested or otherwise is impaired by conflict of interest (actual or potential) is necessarily case- and fact-specific.
There must be at a minimum full and timely disclosure of the details of any given arrangement. Armed with knowledge of all of the relevant facts, the bankruptcy court must determine, case by case, whether the security interest coveted by counsel can be tolerated under the particular circumstances. In so doing, the court should consider the full panoply of events and elements: the reasonableness of the arrangement and whether it was negotiated in good faith, whether the security demanded was commensurate with the predictable magnitude and value of the foreseeable services, whether it was a needed means of ensuring the engagement of competent counsel, and whether or not there are telltale signs of overreaching. The nature and extent of the conflict must be assayed, along with the likelihood that a potential conflict might turn into an actual one. An effort should be made to measure the influence the putative conflict may have in subsequent decision-making. Perceptions are important; how the matter likely appears to credi*741tors and to other parties in legitimate interest should be taken into account. There are other salient factors as well: whether the existence of the security interest threatens to hinder or to delay the effectuation of a plan, whether it is (or could be perceived as) an impediment to reorganization, and whether the fundamental fairness of the proceedings might be unduly jeopardized (either by the actuality of the arrangement or by the reasonable public perception of it).
Martin, 817 F.2d at 182.
Prudence, ethical considerations and general proof requirements all suggest that an arrangement whereby a professional is granted a security interest in a debtor’s funds be adequately documented. The Bankruptcy Code and Rules require full disclosure of all interests held by a professional who seeks employment on behalf of the estate. If a professional holds a secured interest in assets of the estate, that security interest must be disclosed. Here, the bankruptcy court must decide if Appellant made an adequate disclosure of its secured interest in the Retainer. It must further decide whether there is adequate evidence in the record to show under state law that Debtor granted Appellant an enforceable security interest in the funds. The bankruptcy court is in a better position to make these and any other necessary factual findings. We therefore REMAND for a determination of whether Appellant holds a valid security retainer; if so, the Retainer is not subject to disgorgement under section 726(b).
VI.
CONCLUSION
For the foregoing reasons, we hold that security retainers are not subject to disgorgement under section 726(b) of the Bankruptcy Code. We therefore VACATE and REMAND for a determination of whether Appellant holds such a security retainer.
.Unless otherwise indicated, all chapter, section and rule references are to the Bankruptcy Code, 11 U.S.C. §§ 101-1330, and to the Federal Rules of Bankruptcy Procedure, Rules 1001-9036, as enacted and promulgated prior to the effective date of The Bankruptcy Abuse Prevention and Consumer Protection Act of 2005, Pub.L. 109-8, Apr. 20, 2005, 119 Stat. 23.
. Appellant was formerly known as Rus, Mili-band, Williams & Smith, a Professional Corporation.
. At the time Applicant’s employment application was filed and granted, Bankruptcy Judge Lisa Hill Fenning presided over the case. The case was reassigned to Bankruptcy Judge Ellen Carroll on May 1, 2000.
. The Guide to Applications for Employment adopted by the United States Trustee's Office in the Central District of California allows professionals to draw down on retainers before submitting a fee application if they have followed the procedure set forth therein.
. Classic retainers “refer to the payment of a sum of money to secure availability over a period of time.” Montgomery Drilling, 121 B.R. at 37. The attorney is entitled to the retainer whether or not services are needed. Id. The advance payment retainer occurs when a client pre-pays for expected services; ownership of the funds in the retainer is intended to pass to the attorney at the time of payment, although California law is unclear whether ownership does indeed pass at that time. Id. at 38.
. Section 726(b) provides;
Payment on claims of a kind specified in paragraph (1), (2), (3), (4), (5), (6), (7), or (8) of section 507(a) of this title, or in paragraph (2), (3), (4), or (5) of subsection (a) of this section, shall be made pro rata among claims of the kind specified in each such particular paragraph, except that in a case that has been converted to this chapter under section 1112, 1208, or 1307 of this title, a claim allowed under section 503(b) of this title incurred under this chapter after such conversion has priority over a claim allowed under section 503(b) of this title incurred under any other chapter of this title or under this chapter before such conversion and over any expenses of a custodian superseded under section 543 of this title.
. Inasmuch as Debtor is a corporation, it is not entitled to any exemption. 11 U.S.C. § 522(b) ("individual debtor" may claim exemptions).
. Of course, the court may, in the exercise of its discretion, order disgorgement or turnover for other reasons, including (but not limited to) instances when a professional has not provided services commensurate with the retainer or has not properly disclosed the secured interest in the retainer. Cf. Neben & Starrett, Inc. v. Chartwell Fin. Corp. (In re Park-Helena Corp.), 63 F.3d 877, 881-82 (9th Cir.1995) (holding that it was not an abuse of discretion for a bankruptcy court to deny all compensation to chapter 11 debtor’s attorneys who failed to disclose relevant information about source of a retainer).
. In In re U.S. Flow Corp., 332 B.R. 792, 795 n. 7 (Bankr.W.D.Mich.2005), the court noted another possible distinction between Specker and the case here. In Specker, the Sixth Circuit stated that after the petition date, the bankruptcy court authorized the employment of counsel "[a]t that time” the attorney received his retainer. In other words, the Sixth Circuit indicates that the retainer was postpe-tition, not prepetition (although, as the US Flow court notes, the record shows that the retainer was paid prepetition). To the extent the Sixth Circuit's decision is based on an assumption that the retainer was postpetition, however, it is further distinguishable from this case and all of the cases holding that prepetition security retainers are not subject to section 726(b) disgorgement.
. Even though section 328 specifically allows an estate professional to be employed on a retainer, the bankruptcy court here expressed concern that retention of a security retainer would render Appellant "not disinterested” under section 327, thus disqualifying it. We disagree for two reasons. First, the court already found that Appellant appeared to be disinterested. Second, holding a security retainer does not per se disqualify Appellant. A "creditor” is not "disinterested.” See 11 U.S.C. § 101(14). But retention of a security interest to secure payment of fees not yet incurred does not render a professional a *740"creditor.” All professionals become "creditors” when they perform services for which the estate must pay. When the services are performed, the professional is not thereupon disqualified as not disinterested. The fact that the professional holds a security retainer is irrelevant in determining whether it is a creditor. As noted by the First Circuit:
At first blush, [section 327] would seem to foreclose the employment of an attorney who is in any respect a "creditor.” But, such a literalistic reading defies common sense and must be discarded as grossly overbroad. After all, any attorney who may be retained or appointed to render professional services to a debtor in possession becomes a creditor of the estate just as soon as any compensable time is spent on account. Thus, to interpret the law in such an inelastic way would virtually eliminate any possibility of legal assistance for a debt- or in possession, except under a cash-and-carry arrangement or on a pro bono basis. It stands to reason that the statutory mosaic must, at the least, be read to exclude as a "creditor” a lawyer, not previously owed back fees or other indebtedness, who is authorized by the court to represent a debt- or in connection with reorganization proceedings — notwithstanding that the lawyer will almost instantaneously become a creditor of the estate with regard to the charges endemic to current and future representation.
In re Martin, 817 F.2d 175, 180 (1st Cir.1987) (footnote omitted).