¶1. This is a review of a published decision of the court of appeals, State v. Oakley, 226 Wis. 2d 437, 594 N.W.2d 827 (Ct. App. 1999), affirming a judgment *530and an order of the Circuit Court for Sheboygan County, John B. Murphy, Circuit Court Judge. We reverse the decision of the court of appeals. David Oakley, the defendant, was convicted of witness intimidation in violation of Wis. Stat. § 940.43(3) (1997-98).1 The circuit court withheld sentence and imposed probation for a period of three years. One of the conditions of his probation was that the defendant would pay an old, unpaid fine and forfeiture previously imposed on the defendant in prior convictions.2
¶ 2. The issue presented is whether a circuit court may require payment of an old, unpaid fine that was imposed in a prior sentence as a condition of probation for a new conviction when violation of the condition of probation exposes the defendant to incar*531ceration in county jail for more than six months. In the present case, upon revocation of probation, the defendant would be subject to a maximum term of ten years in prison. We conclude, as did Judge Snyder in his dissenting opinion in the court of appeals, that imposing the payment of a fine as a condition of probation in this case violates Wis. Stat. § 973.07.
¶ 3. Section 973.07 provides that if a fine is not paid as required by a sentence, a defendant may be committed to the county jail for a period fixed by the circuit court not to exceed six months until the fine is paid or discharged. We therefore conclude that the circuit court erred as a matter of law by denying the defendant's motion to strike the payment of the old, unpaid fine as a condition of probation for the new offense, because the defendant would be exposed to more than six months in county jail for violating the condition of probation by failing to pay the fine.3 We reverse the decision of the court of appeals and remand the cause to the circuit court with directions to vacate the payment of the old, unpaid fine as a condition of the defendant's probation.4
*532¶ 4. The facts of the case are not in dispute. On July 3,1997, a criminal complaint was filed against the defendant alleging that he intimidated a witness in violation of Wis. Stat. § 940.43(3). After the defendant pled no contest to the charges, the circuit court found the defendant guilty, withheld sentence and imposed probation for a period of three years. The court established three conditions of probation: First, the defendant was ordered to serve six months in the county jail, with two months served up front, and four months held in abeyance. Second, the defendant was ordered to have no contact with the victim or the victim's family. Third, the defendant was ordered to pay an old, unpaid fine that had previously been imposed for a prior conviction totaling approximately $2600.
¶ 5. The defendant brought a post-conviction motion to strike the payment of the fine as a condition of his probation. The circuit court denied his motion, and the defendant appealed. The court of appeals affirmed the judgment of conviction and the order of the circuit court denying the defendant's motion.
¶ 6. This case involves the intersection of three statutes: Wis. Stat. §§973.05(2), 973.09(l)(a) and 973.07. The interpretation and application of the three statutes to the undisputed facts in the present case is a question of law that this court determines independently of the circuit court and court of appeals, benefiting from their analyses.
¶ 7. Section 973.05(2) authorizes a circuit court to impose a fine as part of a sentence and to make payment of the fine a condition of probation. "When a defendant is sentenced to pay a fine and is also placed *533on probation, the court may make payment of the fine. . .a condition of probation." Wis. Stat. § 973.05(2) (emphasis added). Section 973.05(2) does not govern this case, and this case does not govern cases arising under § 973.05(2). The defendant in the present case was neither sentenced to pay a fine arising out of the conviction that resulted in his probation nor placed on probation when the defendant was ordered to pay a fine. Neither § 973.05(2) nor any other statute expressly authorizes a circuit court to require payment of an old, unpaid fine as a condition of probation for a new conviction. Thus we must look further for the circuit court's authority to impose the payment of an old, unpaid fine as a condition of probation for a new conviction.
¶ 8. Section 973.09(l)(a) grants a circuit court broad discretion in imposing conditions of probation. The circuit court may impose, according to Wis. Stat. § 973.09(l)(a), "any conditions which appear to be reasonable and appropriate."5 Reasonable and appropriate conditions of probation are those that rehabilitate the offender and protect the interests of society. See State v. Heyn, 155 Wis. 2d 621, 627, 456 *534N.W.2d 157 (1990); Huggett v. State, 83 Wis. 2d 790, 798, 266 N.W.2d 403 (1978).
¶ 9. The court of appeals reasoned that repayment of the fine was a reasonable and appropriate condition of probation because the repayment would aid in the rehabilitation of the defendant's defiant attitude towards the judicial system. The State and the defendant disagree whether requiring the defendant to pay an old, unpaid fine as a condition of probation upon conviction of another unrelated crime is a reasonable and appropriate condition of probation. We do not address this issue because, as we explain below, we conclude that this condition of probation contravenes Wis. Stat. § 973.07.
¶ 10. Section 973.07, which governs the powers of a circuit court when a defendant fails to pay a fine, is the third statute applicable to this case. Section 973.07 states that "if the fine. . .[is] not paid. . .as required by the sentence, the defendant may be committed to the county jail until the fine.. .[is] paid or discharged.. .for a period fixed by the court not to exceed 6 months."6
*535¶ 11. The defendant argues that the circuit court may not, by using probation for a new conviction, extend the six-month maximum period in county jail prescribed by Wis. Stat. § 973.07 for failure to pay an unpaid fine. The defendant argues that in this case if he does not abide by the terms of his probation requiring him to pay the old, unpaid fine, he may, on revocation of probation, be exposed to more than six months in county jail. Indeed, the maximum sentence for the crime for which the defendant was convicted is ten years of imprisonment.
¶ 12. In contrast, the State asserts that the circuit court did not intend to revoke the defendant's probation and impose a ten-year prison term should the defendant fail to pay the fine. The circuit court's statement at the hearing on the post-conviction motion, upon which the State relies in making this argument, is printed in the margin.7 We disagree with *536the State's interpretation of the circuit court's comments at the hearing on the post-conviction motion.
*537¶ 13. A violation of a condition of probation could lead to a revocation of probation. The judgment of conviction simply states that payment of the fine is a condition of probation. Indeed at the sentencing hearing the circuit court made clear that if the defendant did not live up to the conditions of probation, the probation would be revoked, the defendant would be returned to circuit court and the circuit court would give the defendant the maximum amount of time available under the law, namely ten years in prison. The circuit court warned the defendant at the sentencing hearing as follows:
THE COURT: If you botch your probation, you have to get your probation taken away. That's what the probation department will do. They will revoke your probation, and then they will send you back to me. I will not be happy to see you, Mr. Oakley, because probation is your second and last chance.
If you come back here with unsuccessful probation, I am probably going to give you the maximum amount of time available to me under the law, which is ten years in prison. So if you are inclined, while on probation, to this screwing off in regard to your obligations, keep in mind that I will be seeing you again, and then you are going to go right from here, right up to prison. That's not what you want to do.
I want you to be successful. I have no wish to ever see you again. But if I do, you can pretty much *538assume I am going to lower the boom on you. Any questions about that?
THE DEFENDANT: No.
¶ 14. The conditions of the defendant's probation set forth in the judgment of conviction and the circuit court's comments at the sentencing, as well as at the hearing on the post-conviction motion, do not clearly indicate the term of incarceration to which the defendant would be subjected should the defendant fail to pay the fine. The maximum sentence for the conviction is ten years in prison.
¶ 15. Wisconsin Stat. § 973.07 expressly limits incarceration as a means of collecting a fine to a period in county jail not to exceed six months. Accordingly we conclude that the circuit court erred as a matter of law in making the payment of an old, unpaid fine a condition of probation for a new conviction when violation of the condition exposes the defendant to incarceration in county jail for more than six months.
¶ 16. This conclusion is supported by the language of Wis. Stat. § 973.07, the legislative history of § 973.07, and case law interpreting §§ 973.07 and 973.09(l)(a).
¶ 17. The plain words of Wis. Stat. § 973.07 that the defendant may be committed to county jail "for a period fixed by the court not to exceed 6 months" for failure to pay a fine demonstrates the legislature's intent to limit incarceration imposed for the failure to pay an outstanding fine to no more than six months in county jail.
¶ 18. The legislative history of Wis. Stat. § 973.07 also reflects the legislature's intent to limit the length of incarceration for failure to pay a fine to six months in county jail. For more than 120 years, the *539legislature has limited incarceration for nonpayment of a fine to no more than six months in county jail. See, e.g., Wis. Stat. §959.055(1) (1967); Wis. Rev. Stat. (1878) § 4633. This consistent statutory limitation on incarceration for failure to pay a fine is strong support for our decision today.
¶ 19. Our interpretation of Wis. Stat. § 973.07 is further supported by case law. In State v. Schuman, 173 Wis. 2d 743, 496 N.W.2d 684 (Ct. App. 1993), the court of appeals held that § 973.07 provides for a six-month limit on the time a defendant may be incarcerated for nonpayment of a fine. The court of appeals declared that once a defendant has served six months in county jail for nonpayment of a fine, the circuit court may not issue another commitment order based upon the defendant's failure to pay the fine. The court of appeals concluded that although § 973.07 has been amended several times over the years, the six-month limitation on incarceration in county jail has remained constant. Schuman, 173 Wis. 2d at 748. The Schuman court further concluded that when the legislature enacted the statute it intended to provide for a threat of incarceration to coerce payment, but it also intended to limit that threat.
¶ 20. Several cases preceding Schuman interpreted the earlier versions of Wis. Stat. § 973.07 as limiting the state's ability to incarcerate a defendant for more than six months in county jail when the defendant has not paid a fine. See, e.g., State ex rel. Pedersen v. Blessinger, 56 Wis. 2d 286, 290, 201 N.W.2d 778 (1972)(noting that the legislature adopted a six-month incarceration limit to collect a fine because if six months' incarceration will not induce payment, a longer time will be fruitless); Starry v. State, 115 Wis. 50, 90 N.W. 1014 (1902) (noting that Wis. Stat. (1898) *540§ 4633 expressly forbids indefinite commitments to jail for the failure to pay fines); Bonnville v. State, 53 Wis. 680, 689, 11 N.W. 427 (1882) (concluding that the legislature adopted Wis. Rev. Stat. (1878) § 4633 for the express purpose of limiting incarceration in all cases of the nonpayment of a fine).
¶ 21. The State argues that Wis. Stat. § 973.09(l)(a), which grants circuit courts the power to "impose any conditions [of probation] which appear to be reasonable and appropriate," should be read to allow a circuit court to fashion conditions of probation and to override the limitation on incarceration for failure to pay a fine provided in § 973.07.
¶ 22. The State relies on State v. Heyn, 155 Wis. 2d 621, 456 N.W.2d 157 (1990), to support its interpretation of Wis. Stat. §§ 973.07 and 973.09(1)(a). In Heyn the circuit court required a convicted burglar, as a condition of probation, to compensate the victim for installation of a burglar alarm system. Wisconsin Stat. § 973.09(1)(b) (1985-86) limited restitution as a condition of probation to compensation for a pecuniary loss.8 This court agreed that compensation for the alarm system was not compensation for a pecuniary loss and therefore did not constitute restitution under Wis. Stat. § 973.09(1)(b)(1985-86).
¶ 23. The Heyn court, however, concluded that the circuit court could require the defendant to com*541pensate the victim for the alarm system under the probation statute, § 973.09(1)(a) (1985-86). The Heyn court viewed § 973.09(1)(b) (1985-86), governing restitution, as cumulative and concurrent with § 973.09(l)(a) (1985-86), the general probation statute, and held that the restitution statute neither usurped nor abridged the general probation statute. Heyn, 155 Wis. 2d at 628 (quoting State v. Connelly, 143 Wis. 2d 500, 505, 421 N.W.2d 859 (Ct. App. 1988)).9
¶ 24. The State argues in the present case that Wis. Stat. §§ 973.09(1)(a) and 973.07 should be interpreted in the same way that this court interpreted § 973.09(1)(a) (1985-86) and § 973.09(1)(b) (1985-86) in Heyn. In other words, the State urges that § 973.07, limiting incarceration for the nonpayment of a fine, should be read as cumulative and concurrent with § 973.09(1)(a), the general probation statute, and that § 973.07 neither usurps or abridges the general probation statute nor restricts the circuit court's broad discretion in fashioning conditions of probation.
¶ 25. We reject the State's interpretation of Wis. Stat. §§ 973.09(1)(a) and 973.07. The statute at issue in Heyn, § 973.09(1)(b) (1985-86), required the circuit court to order restitution, that is, to order certain types of compensation to a victim under certain circumstances, or to explain on the record why it did not do so. Nothing in Wis. Stat. § 973.09(1)(b) (1985-86) indicated that the legislature intended to limit a circuit court in ordering a defendant to compensate a victim for items that did not constitute restitution under the *542statute. Indeed the legislative intent to be drawn from § 973.09(l)(b) (1985-86) was that the legislature favored the circuit court's ordering a defendant to compensate a victim.
¶ 26. In contrast, Wis. Stat. § 973.07 specifically limits a circuit court's means of collecting fines by incarceration. Our case law has determined that the legislature intended § 973.07 to limit a circuit court in enforcing the payment of fines by incarceration. Allowing a circuit court to enforce collection of fines under § 973.09(l)(a), the general probation statute, when failure to pay the old, unpaid fine results in a defendant being exposed to more than six months in county jail, would permit a circuit court to do what the legislature expressly forbade in § 973.07. We conclude the legislature did not intend such a result.
¶ 27. We thus conclude that the circuit court erred as a matter of law, and thus erroneously exercised its discretion, by setting forth as a condition of probation the payment of an old, unpaid fine when the defendant would be exposed to more than six months in county jail for failure to pay the fine. This condition of probation to pay an old, unpaid fine in the present case conflicts with the clear statutory mandate in Wis. Stat. § 973.07 that incarceration for failure to pay a fine is limited to incarceration in county jail for no more than six months.
¶ 28. The decision of the court of appeals is reversed and the cause remanded to the circuit court with directions to vacate the condition of the defendant's probation that requires the defendant to pay the old, unpaid fine.
By the Court. — The decision of the court of appeals is reversed and the cause remanded to the circuit court.
All subsequent references to statutes will be to the 1997-98 text unless otherwise noted.
The defendant had been fined a total of $2517 to be paid in sixty days in 1989 after pleading no contest to operating a motor vehicle after revocation. In 1993 he was "fined" $100 for disorderly conduct plus various fees, for a total of $185.80, to be paid in 25 days after he failed to appear for sentencing for disorderly conduct. The disorderly conduct charge was an ordinance violation, not a criminal offense, and the money penalty is more accurately labeled a forfeiture. At the time of the conviction for witness intimidation, the defendant had paid a total of $100 against the 1989 fine and thus still owed most of the amounts imposed in 1989 and 1993.
For ease of reference, the body of this opinion addresses the fine for the 1989 criminal offense and not the forfeiture for the 1993 disorderly conduct charge. The reasoning of our opinion also applies, however, to the forfeiture imposed in the 1993 civil offense. Wisconsin Stat. § 66.12 provides the method for collecting a forfeiture in a civil action. We read that statute to mean that a forfeiture cannot be enforced as a condition of probation under § 973.09(l)(a).
This case does not raise the question of whether a circuit court may impose as a condition of probation payment of an old, unpaid fine if the penalty upon revocation of probation does not exceed six months in county jail.
The circuit court has means to enforce the outstanding old, unpaid fine against the defendant. The court may issue a judgment for the unpaid amount and direct the clerk to file and docket a transcript of the judgment under Wis. Stat. § 973.05(4)(a). The court may also issue an order assigning the defendant's wages or other income under § 973.05(4)(b), (c). Pursuant to § 973.07, the defendant may be committed to the *532county jail until the fine is paid, for a period fixed by the court not to exceed six months.
Wisconsin Stat. § 973.09(l)(a) states in full:
Except as provided in par. (c) or if probation is prohibited for a particular offense by statute, if a person is convicted of a crime, the court, by order, may withhold sentence or impose sentence under s. 973.15 and stay its execution, and in either case place the person on probation to the department for a stated period, stating in the order the reasons therefor. The court may impose any conditions which appear to be reasonable and appropriate. The period of probation may be made consecutive to a sentence on a different charge, whether imposed at the same time or previously. If the court imposes an increased term of probation, as authorized under sub. (2)(a)2 or (b)2, it shall place its reasons for doing so on the record.
Wisconsin Stat. § 973.07 provides as follows:
If the fine, costs, penalty assessment, jail assessment, crime victim and witness assistance surcharge, crime laboratories and drug law enforcement assessment, applicable deoxyribonucleic acid analysis surcharge, applicable drug abuse program improvement surcharge, applicable domestic abuse assessment, applicable driver improvement surcharge, applicable enforcement assessment under s. 253.06(4)(c), applicable weapons assessment, applicable uninsured employer assessment, applicable environmental assessment, applicable wild animal protection assessment, applicable natural resources assessment and applicable natural resources restitution payments are not paid or community service work under s. 943.017(3) is not completed as required by the sentence, the defendant may be committed to the county jail until the fine, costs, penalty assessment, jail assessment, crime victim and witness assistance surcharge, crime laboratories and drug law *535enforcement assessment, applicable deoxyribonucleic acid analysis surcharge, applicable drug abuse program improvement surcharge, applicable domestic abuse assessment, applicable driver improvement surcharge, applicable enforcement assessment under s. 253.06(4)(c), applicable weapons assessment, applicable uninsured employer assessment, applicable environmental assessment, applicable wild animal protection assessment, applicable natural resources assessment or applicable natural resources restitution payments are paid or discharged, or the community service work under s. 943.017(3) is completed, for a period fixed by the court not to exceed 6 months.
At the March 18, 1998, post-conviction motion hearing, Judge Murphy remarked:
I can tell you, the general rule [is] we typically throw back fines in on probation conditions because we found actually it seems to benefit many of the defendants. First of all, from the standpoint that it imposes upon them a certain responsibility for some past financial obligations. We believe that's healthy for the defendant, in terms of his overall rehabilitation.
*536But I think on a more practical level, we have found that while on probation, for extended periods of time, typically defendants have an opportunity to pay these fines back in an installment fashion. We find that overall that seems to help them, because the alternative for Mr. Oakley is I will have him committed to the county jail for 96 days, and unless he coughs up the money. We have not chosen to do that. If that would be Mr. Oakley's preference to serve 96 days in the county jail and still owe us the money, that can be arranged.
But I thought really he was given a chance here to make good on this money over a three-year period of time, which should be something he can accomplish, I would hope, and I saw that as being helpful to him and also helpful to society and, specifically quite helpful to Sheboygan County, since we make a real effort [to] make sure that when we fine somebody they actually pay the money.
Because when they don't pay the money the punishment was 100% meaningless. There is no reason to give a person a fine and not have it be paid. He can pay it on probation, because I believe that would be the best way for him to do it. Or in the alternative, I will have him committed to the county jail, and then he can pay the money to get himself out or do his 96 days, and he still owes us the money.
I think the best route to go is stick with the probation. If it becomes an impediment to him being released from probation at the end of his term, I would consider at that time his efforts in that regard. It is possible, I believe, that Mr. Oaldey might not be able to pay the entire sum within three years. But if he doesn't, I want to know why not and what efforts he's made, and I will expect the probation agent to provide me with that information. I am not inflexible with regard to these things if a person is making a reasonable effort consistent with their financial abilities to make good on one of their obligations under the probation condition.
First of all, I believe it's a reasonable condition, because it is a past crime for which Mr. Oakley has not yet been punished because he didn't pay the fine. That was part of his punishment.
Secondly, it benefits Mr. Oakley to get this matter cleaned up, because if not, he will be incarcerated in the county jail, which is not beneficial to Mr. Oakley, though it might be beneficial to society.
*537The motion is denied. We will leave that on as a condition of probation. Let's just see David [Oakley] make a reasonable effort to get that money paid up.
Neither the circuit court nor the State explains this reference to 96 days.
Wisconsin Stat. § 973.09(1)(b) (1985-86) provided in relevant part as follows:
If the court places the person on probation, the court shall require restitution designed to compensate the victim's pecuniary loss resulting from the crime to the extent possible, unless the court finds there is substantial reason not to order restitution as a condition of probation. If the court does not require restitution to be paid to a victim, the court shall state its reason on the record....
See also State v. Brown, 174 Wis. 2d 550, 497 N.W.2d 463 (Ct. App. 1993)(upholding as a condition of probation that a defendant pay $7000 to his sexual assault victim for tuition incurred when she had to change schools to avoid classmate harassment resulting from the assault).