The notes on which the suit is predicated contain the following condition: “And, in case 1 of non-payment of interest when due, the whole sum of principal and interest to become due and collectable at the holder’s option.” The mortgage made to secure them has this stipulation: “And it is hereby further agreed that, if the said Anton Lahner allows the taxes to become delinquent upon said property, or permits the same, or any part thereof, to be sold for taxes, or if he fail to pay the interest on said note *149promptly as the same becomes due, the note secured hereby shall become due and payable in thirty days thereafter, and the mortgagee, their heins or assigns, may proceed at once to foreclose this mortgage; and, in ■case it becomes necessary to commence proceedings to foreclose the same, then the said Anton Lahner, in addition to the amount of said debt, interest, and cost, agrees to pay the mortgagee herein named, or to any assignee of the mortgagee herein, a reasonable attorney’s fee for collecting the same, which fee shall be included in judgment in such foreclosure case.” Unless these provisions caused the notes to mature because of nonpayment of interest, and authorized the foreclosure of the mortgage, then the debt is not due; and it is upon the theory that such nonpayment did not mature the note until some election, was exercised by the mortgagee, and notice thereof given to the mortgagor, that the answer of all of the defendants except the administrator was based. This answer also alleged that the defaulted interest was tendered before the commencement of this suit.
We have, then, these two propositions for determination: First, Was the holder of the note required to make an election, declare the notes due for the failure to pay interest, and give notice thereof to>the mortgagors before commencing his suit? And second, did a tender of the interest due long after its maturity, tint before the commencement of the suit, bar plaintiff of 2 his right to foreclose for non-payment of interest? The interest became due on the notes in suit March, 1, 1893, and was not paid, and no effort made to make payment, until September 23,1893, when, it is alleged in answer, the defendants tendered the amount, with interest thereon to that time. This the plaintiff refused to accept, and on October 14th, without further notice, commenced this suit. Some *150courts have held that contracts' in notes, and mortgages given to secure them are separate and independent, and each contract must be construed- with reference to its. own particular terms. White v. Miller (Minn.), 54 N. W. Rep. 736; McClelland v. Bishop, 42 Ohio St. 113; Railway Co. v. Sprague, 103 U. S. 756. Should we adopt this rule, then it is clear from the authorities cited that the stipulation in the mortgage itself authorizes the remedy sought to be obtained in this case.. Plaintiff, in his petition, does not ask for a personal judgment. He could not obtain it if he did, for the maker of the notes is dead. The defendants are the administrators' and the heirs at law of the maker of the note, and are made parties to cut off their equity of redemption. True, plaintiff asks to have the claim established as a general claim against the estate of the deceased, but the court, in passing the decree, did not SO' order. The decree simply directed the siale of the real estate to pay the judgment. So that, on defendants’ theory of the- case, we think the court was right in sustaining the demurrer. But the decided weight of the opinion in this country is that a" note and mortgage executed at the same time and as one transaction are to be construed together, and, so far as possible, construed as one instrument. See Noell v. Gaines, 68 Mo. 649; Chambers v. Marks (Ala.), 9 South Rep. 74; Manufacturing Co. v. Howard, 28 Fed. Rep. 741; Schoonmaker v. Taylor, 14 Wis. 313; Stanclift v. Norton, 11 Kan. 218; Mallory v. Railroad Co. 35 N. Y. Sup. Ct. Rep. 174; Lantry v. French (Neb.), 50 N. W. Rep. 679. And this is the rule adopted by this court in Clayton v. Whitaker, 68 Iowa, 412, 27 N. W. Rep. 296; Sloat v. Bean, 47 Iowa, 60; Dobbins v. Parker, 44 Iowa, 375; Dean v. Ridgway, 82 Iowa, 757,, 48 N. W. Rep. 923; Bank v. Griffin, 54 Iowa, 749, 6 N. W. Rep. 155; Kramer v. Rebman, 9 Iowa, 114. The *151notes in suit leave it optional with the holder whether he will declare the whole amount of principal .and interest due upon nonpayment of interest when due; and the mortgage provides that, if the mortgagor fails to pay-interest on the notes promptly as the same becomes due, the notes secured shall become due and payable in thirty days thereafter, and the mortgagee, his heirs ' or assigns, may proceed at once to foreclose the mortgage, The only inconsistency here relates to the option plaintiff may exercise, and the time within which it may be exercised, if required at all, after thirty days. But as, by the terms of either the notes or the mortgage, the plaintiff had the right, -at the time he commenced the suit, to elect to treat both the principal and interest due, and proceed to foreclose, it is not necessary 3 for us to put a construction upon these two stipulations. Stipulations such as are found in these notes and in the mortgage under consideration are not regarded in the nature of a penalty or forfeiture, and, for that reason, viewed with disfavor by the courts, but as agreements for bringing the notes to an earlier maturity than expressed upon their face, and are to be construed and the intention of the parties ascertained by the same rules as other contracts. Hoodler v. Reid, 112 Ill. 105; Wiltsie, Mortg. Forec., section 37; Jones, Mortg., section 76, 1181; Kramer v. Rebman, 9 Iowa, 114, and authorities heretofore cited. So it has been held that, after the happening of the contingency which matures the note, the mortgagee cannot be compelled to accept the interest due, and yield his claim for the whole amount Jones, Mortg., sections 1179-1186, and cases before cited. Courts of .equity have no power to relieve against the default and its consequences. Malcolm v. Allen, 49 N. Y. 448; Bennett v. Stevenson, 53 N. Y. 508; Marling v. Bronson (Neb.), 56 N. W. Rep. 205; Whitcher v. Webb, 44 Cal. 127. Applying these rules to the case *152at bar, it is clear, not only that the notes were due when the action was commenced, but that, whether due or not, plaintiff! had the right, under the express provisions of the mortgage, to foreclose against all having any interest in or claim to the land; and that the tender of the unpaid interest, six months after the note matured and the right to foreclose accrued, will not defeat the action. See, also, as supporting our conclusions, Smalley v. Renken, 85 Iowa, 612, 52 N. W. Rep. 507; Watts v. Creighton, 85 Iowa, 154; Hale v. Patton, 60 N. Y. 233.
There remains but one question: Was plaintiff required to give defendants notice of his election before 4 bringing suit? This precise question has never been presented to this court, although many suits of the same nature, where no notice of election had been given, have passed through without question. The Supreme Court of Nebraska has held in the case of Morling v. Bronson, supra, that no notice other than the bringing of the suit is required. So, also, in California, it, is held that no notice or demand is necessary. Hewett v. Dean (Cal.), 25 Pac. Rep. 753; Sichler v. Zook (Cal.), 29 Pac. Rep. 220. These cases, it .seems to us, announced the true rule. The case is plainly one of contract, and plaintiff had the right, at any time after thirty days from default in payment of interest, to exercise- his- option, and declare the whole amount of principal and interest due, provided the mortgagor is in no way prejudiced by his delay. Bringing the suit is a sufficient election, and is all the notice required.
II. It is also insisted on the part of appellants that this election must be exercised within a reasonable time, or the plaintiff will be deemed to have waived the 5 right. It seems to us the question does not fairly arise on this record. There is no pleading of waiver or estoppel, and nothing to show that *153defendants have in any manner been injured by plaintiff’s 6 delay in bringing suit, and thus declaring the notes due. If the question did fairly arise, we would be loath to hold that a delay of seven months would estop plaintiff from declaring the principal sum due. The cases of Hall v. Delaphine, 5 Wis. 206, and Berrinkott v. Traphagen, 39 Wis. 219, are not in conflict with the rule here announced, because they relate to forfeitures. No doubt, if the provisions we have quoted were to be treated as penalties or forfeitures, there would be much force in defendants’ position. But as they are not tobe so treated, but rather as agreements between the parties, then lapse of time is only material on the question of waiver or estoppel; and, as neither waiver nor estoppel is pleaded, we need not discuss further. The cases of Basse v. Gallegger, 7 Wis. 442, and Marine Bank v. International Bank, 9 Wis. 57, are somewhat in conflict with the rules here announced, but they are clearly contrary to the decided weight of authority, and we decline to follow them. See Harper v. Ely, 56 Ill. 179; Johnson v. Van Velsor, 43 Mich. 208, 5 N. W. Rep. 265; Heath v. Hall, 60 Ill. 371.
III. The administrator insists that the court was in error in sustaining the demurrer to his answer. It is sufficient to say in this connection that the claim was pot established against the estate of which he is administrator, and no order was made upon him. There is a judgment ordered, but, as we understand the record, it is simply a judgment in rein, subjecting the property, by special execution^ to the payment of plaintiff’s claim. No prejudice resulted from the sustaining of the demurrer. This disposition of the case renders it unnecessary that we dispose of the motion submitted to strike the assignment of errors. We reach the conclusion that the decree should be .affirmed.