after stating the case, delivered the opinion of the court.
The first question naturally is in respect to the jurisdiction of the Circuit Court of Appeals. The transcript filed in that court, in addition to the record of the proceedings on the trial, which trial culminated in a judgment on October 17,1895, contained: First, a petition for a writ of error filed by counsel for the insurance company, on December 14, 1895 ; then an order by the trial judge, allowing the writ of error and fixing the supersedeas bond at $125,000 ; an assignment of errors; a supersedeas bond, approved by the trial judge; a citation signed by him, and service admitted by counsel for the plaintiff, all these on the same day. In addition, a return by the marshal, showing personal service on the plaintiff of the citation; the writ of error allowed by the trial judge, and an indorsement thereon by the clerk of the trial court (by deputy) in the following language:
“Received a true copy of the foregoing writ of error for defendant in error. Dated this 14th day of December, 1895. A. Reeves Ayres, Clerk of the United States Circuit Court for the Ninth Circuit, District of Washington. By R. M. Hopkins, Deputy Clerk.”
On the hearing in the Court of Appeals an affidavit of the deputy clerk of the trial court was filed, which, after averring that the petition and assignment of errors, the orders granting the writ of error, and fixing the amount of the bond, and the bond, Were each on file in his office and all bore the following indorsement: “ Filed December 14,1895. In the U. S. Circuit Court. A. Reeves Ayres, Clerk. By R. M. Hopkins, Deputy Clerk; ” stated that upon the Sling o'f these papers he prepared a writ of error, issued and delivered it to R. C. Strudwick, one of the attorneys of the insurance company, who took the same from his office, and added:
“ That a few minutes thereafter the said Strudwick returned to my office, and delivered to and lodged and filed with me said writ of error, with the allowance thereof indorsed thereon by the before mentioned judge, and at the same time delivered to *335and lodged and filed with me a copy of said writ for the use of defendant in error.
“ That said original writ of error remained in my office and in my custody from said 14th day of December, 1895, until'.the 4th day of January, 1896, at which time I transmitted the same, with my return thereto, to this honorable court.
“ That the original citation herein, a copy of which appears on pages 395 and 396 of the printed record herein, was returned to and filed with me by a deputy marshal of the United States for the District of Washington, on the 18th day of December, 1895, and the same remained in my office and in my custody and control from said date until. the same was transmitted to this honorable court, together with the writ of error and return thereto on the 4th day of January, 1896. It has not been my custom to indorse original citations and writs of error at the time they are filed with or served upon me, for the reason that I have deemed the same as writs of the Circuit Court of Appeals to be indorsed by the clerk of said court upon his receipt of the same with my return thereto; but, as a matter of fact, the writ of error and citation herein were actually delivered to and filed and lodged with me as above stated.”
Upon these facts we are clearly of opinion that jurisdiction was vested in the Court of Appeals. The majority of that court, in sustaining the motion to dismiss, relied on the following decisions of this court: Brooks v. Norris, 11 How. 204-207; Mussina v. Cavazos, 6 Wall. 355; Scarborough v. Pargoud, 108 U. S. 567; Polleys v. Black River Improvement Co., 113 U. S. 81; Credit Company, Limited, v. Arkansas Central Railway Co., 128 U. S. 258; in the first of which it was said by Chief Justice Taney: “It is the filing of the writ that removes the record from the inferior to the appellate court, and the period of limitation prescribed by the act of Congress must be calculated accordingly. The day on which the writ may have been issued by the clerk or the day on which it is tested are not material in deciding the question.”
In that case the question presented was one of limitations, and not what was necessary to constitute a filing. The statute requiring writs of error to be brought within a certain time, the *336question determined was whether the mere allowance or issue of the writ constituted the bringing of the writ of error within the meaning of the statute, or whether, as was held, it was not brought, had not performed its office, until it had been filed with the clerk of the trial court. In this case there is no question of time. All the proceedings, with a view of taking the case to the appellate court, were had within less than three months from the date of the judgment. The transcript filed in the Court of Appeals made it clear that everything which the trial judge was required, to do was done, the writ of error was allowed, the citation signed and bond approved, and also that the citation was duly served upon the .counsel for the plaintiff, and service accepted. It also showed that a copy of the writ of error was received and filed by the clerk of the trial court, and while it is true that it-did not show that the original wi'it of error was filed in his office, yet the affidavit made by the deputy clerk (which is not disputed) disclosed that it was so filed, and on the same day with the other proceedings for perfecting the transfer of the case to the Court of Appeals. Now, while it may be technically true, as said by the majority of the Court of Appeals, that the indorsement on the copy of the writ of error of its receipt for- the benefit of the defendant in error, plaintiff below, was under section 1007 of the Revised Statutes, with a view to a supersedeas, and may not itself be sufficient evidence of the filing of the original writ, yet the affidavit of the deputy clerk, who had charge of the office, shows positively that it was left with him and filed. If it was left with him and he failed to indorse it as filed, can it be that his omission defeats the party’s right to transfer the case to the appellate court ? Is it within the power of a clerk to overrule the action of the Judge, and prevent an appeal 'or writ of error which he has allowed? When the Judge has done all that is necessary for him to do to perfect the transmission of the case to the appellate court, and the party seeking review has done all that is required of him, can it be that the omission of a clerk (if there was such an omission) can prevent the jurisdiction attaching to the appellate court ? Obviously not. “ When deposited with the clerk of the court; to whose, ndges it is directed, it is served.” *337Mussina v. Cavazos, 6 Wall. 355, 358. While we have always been careful to see that the required order of procedure has been complied with before any case shall be considered as transferred from a lower to a higher court, that the party seeking a review must act in time and must make a substantial compliance with all that the statute prescribes, at the same time we have been equally careful to hold that no mere technical omission which did not prejudice the rights of the defendant in error should be made available to oust the appellate court of jurisdiction. We are clear that upon the showing made the Court of Appeals had jurisdiction, and should have proceeded to dispose of the case upon its merits.
Coming now to the merits, many questions have been exhaustively discussed by counsel in brief and argument. One is, to what extent, if at all, the law of New York controls in respect to the policy sued on.
By the insurance company it is contended that it does not apply; that it operates only upon contracts of insurance consummated within the State of New York; that it commences “no life insurance company doing business in the State of New York shall have- power,” etc.; that it thus includes foreign as well as local insurance companies, and as it confessedly cannot control the operations or modify the contracts of foreign insurance companies made outside the State, the true construction is that it applies to both foreign and local companies only as to business done within the State; that as the application was signed by the insured in the State of Washington, and when received by the company in New York was there accepted only conditionally, and as the policy which was prepared and forwarded to an agent of the company in Washington contained an express stipulation that it should “ not take effect until the first premium shall have been paid and the policy shall have been delivered,” and as the premium was in fact paid and the policy delivered in the State of Washington, the contract was a Washington contract, and governed by the laws of that State and not by the' laws of New York, Equitable Life Assurance Society v. Clements, 140 U. S. 226, 232; that the statement in the application signed by Phinney that it was made “ subject *338to the charter of the company and the laws of New York,” by its terms refers only to the application, and does not make the laws of New York controlling in reference to the terms of the contract, which was-evidenced by the policy subsequently issued; and that being a Washington contract, and there being no legislation in that State in respect to matter of forfeiture, by its terms it became forfeited on the non-payment of the second annual premium.
On the other hand, it is contended by the executrix that, whatever may be the effect of the statute upon foreign companies which may happen to be doing business within the limits of New York, it is as to local companies practically a modification of their charters and a statutory rule thereafter controlling all contracts made by them, whether within or without the State; that even if this be not true, yet, as the policy refers to the application and makes it a part of the contract,, and as there is no law of New York which affects in any way an application as such, the statement therein, that it is made subject to the charter of the company and the laws of New York, must be understood as directly incorporating the laws of New York into the contract, or at least referring to them as containing the rules for its construction and enforcement; and also, inasmuch as by its terms, final performance (that is, the payment of the policy) is to be made in New York, the law of the place of performance is the law which governs as to the validity and interpretation of the contract. Washington Central Bank v. Hume, 128 U. S. 195 197, 206; Coghlan v. South Carolina Railroad, 142 U. S. 101, 109, and cases cited in the opinion.
We are not insensible of the importance as well as che difficulty of the question thus presented in these various aspects, but think that the case may properly be disposed of without any consideration or determination thereof.
We shall assume, without deciding, that the law of New York does control in respect to this contract, and still are of the opinion that the judgment must be reversed for error occurring on the trial, and error of such a character as in view of the testimony may render it unnecessary ever to consider the question to which we have referred. Confessedly, the insured did not pay *339the annual premium due September 24,1891, nor that due September 24, 1892, although he lived until September 12, 1893. It appears from the undisputed testimony that the insured knew when the premium became due in September, 1891. Twice he spoke to the local agent seeking to arrange for the payment of the premium by a note, and some three or four months thereafter he surrendered the policy to such agent. It is true that at the time of the surrender the agent told the insured that the policy was forfeited, or words to that effect, and that, the insured said to him that as the policy had lapsed it was no good to him, and the agent might take it if he wanted it. But never thereafter until the time of his death, more than a year and a half, was anything done or said by the insured in respect to the policy; no suggestion of payment of premium or anything of any kind in respect to it. He treated the matter as abandoned, and gave up to the agent of the company the instrument by which the contract was evidenced. Further, after his death his widow, the plaintiff, filed an affidavit that the personal property of her husband’s estate amounted only to $50,000, which, of course, was not true if she had a $100,000 policy in the defendant company. Not only that, she ignored the policy altogether for nearly ten months, although she promptly presented claims under other policies. As she testified that she knew of the existence of this policy her conduct is explainable only on the theory that she understood that, which the evidence affirms, her husband had abandoned the policy and surrendered it to the company. Upon these facts the defendant asked this instruction, which the court declined to give:
“ If you find from the evidence in this case that the said Guy C. Phinney stated to the representative of the defendant in the State of Washington that he could not pay the premium falling due' September 24,1891, and that he did not pay nor tender the same, and that he thereafter1 surrendered said policy to the defendant’s representative,' they mutually believing and understanding that the same was of no force or validity then or thereafter, by reason of the non-payment of the said premium, this would constitute an abandonment and rescission of this contract by both parties thereto, and would put an end to the *340same; and if you find the facts so to be, you must find a verdict for the defendant.”
In lieu thereof the court charged as follows:
“ Now, it is contended that Mr. Phinney and this company, acting through Mr. Stinson as its agent, arrived at an understanding and agreement that the policy should not continue longer in force; Phinney was to pay no more money, and that his rights and the policy were abrogated. Notwithstanding the provision of the statute of New York, that a provision in the policy itself waiving notice has no effect, and that the company can only forfeit the policy for non-payment of premium by mailing the prescribed notice, still it would be competent, and it was competent, for the parties mutually to agree to the cancellation of a life insurance policy if they saw; fit to do so. And if the evidence in the case shows- that Mr. Phinney did voluntarily, without being induced by any false representations or deceit to give up the policy, rescind the contract and give up the policy rather than to continue to pay the premiums provided for in the policy, that agreement would have the effect to terminate this policy so that it would no longer be a continuing contract. There is testimony in the case tending to prove that Mr. Phinney was unable to meet the second payment when it fell due, and by reason of his failure to make that payment, he voluntarily delivered up the policy to Mr. Stinson as an agent of the company, with the understanding, expressed at the time, that it was lapsed, that it was no longer a continuing contract in his favor. If there was a full and fair, understanding between these two men in that matter, and they both treated it as an abrogated and annulled contract, and each relied upon that understanding, it would have the effect to terminate the policy, and the company would have the right to consider itself absolved from any obligation to give the statutory notice in order to forfeit the policy, because it would be unnecessary for the company to forfeit by legal proceedings what the opposite party had voluntarily relinquished. It is a question of fact, therefore, for you to determine from the evidence in the case, whether there was a full, complete understanding and meeting of minds between Mr. Phinney and Mr. Stinson, and such an *341agreement and understanding entered into between them, whether the policy was surrendered and delivered up to Mr. Stinson, with an understanding, and whether relying upon that understanding the defendant company subsequently acted.”
In view of the facts heretofore narrated, it is obvious not only that there was error in the action of the court in declining to give the instruction requested by the insurance company, and giving that which it did, but also that the error was material. The instruction given suggested a matter in respect to which there was no testimony,- yet which, in view of other language in the- charge, was quite sure to mislead. In reference to this matter of abandonment and rescission, the court in effect declared that it was binding, unless induced by false representation or deceit. There is not the slightest syllable in the testimony to suggest that the agent deceived the insured, nor that he made a false representation in the sense in which a false representation may avoid a contract. And yet, as the court had already ruled that the law of New -York controlled, that there was no forfeiture until the notice prescribed by the statute of that State had been given, the jury must have understood that when the agent said that the policy had lapsed, he made a false representation, and, therefore, that the action of the insured, based upon that false representation, did not amount to an abandonment. But whether that statement of the agent was correct in matter of law is doubtful ; whether true or false, or, more accurately, whether correct or not, in its interpretation of the law applicable to this contract, is immaterial. It was merely a statement of what he supposed the law was, and the insured was under the same obligations to know the law that the company, or its agent was. The jury evidently proceeded upon the supposition that the insurance company, located in New York, knew what, the law of that State was; the insured, residing in Washington, did not, and when the agent stated what the condition of the contract was, he misrepresented the law of New York, of which the insured was ignorant, and, being ignorant, was not bound by any act based thereon in the way of abandonment or rescission. But surely no such rule as that obtains. When two par*342ties enter into a contract, and make it determinable by the law of another State, it is conclusively presumed that each of them knows the law in respect to which they make the 'contract. There is no presumption of ignorance on the one side and knowledge on the other. Reverse the situation. Suppose the insurance company had made this contract as a Washington contract, and there had been some peculiar provision of that State controlling all contracts made within the State: could the company, a corporation of New York, thereafter be permitted to say that it did not know what the law of Washington was; that the insured, as a resident of that State, must be presumed to have known it; that he did not communicate his information, and therefore it was not bound by that law, and that if he said anything in reference to it, it was a case of false representation or deceit? No one would contend this. And so when these two parties, the insurance company and the insured, dealing as we are now supposing in a contract which they mutually agree should. be determinable by the laws of New York, it is an absolute presumption that each knew those laws, and that neither one could be misled by any statement in respect thereto on the part of the other. Whatever opinion either might express in reference to those statutes, was a mere.matter of opinion. He was chargeable with knowledge, just exactly as the insurance company was. Sturm v. Boker, 150 U. S. 312, is decisive of this question. In that case the statement of the insured as to a question of law was insisted upon as conclusive, but this court said (p. 336):
“ Both the defendants and the insurance companies had the written contracts before them, and were presumed, as a matter of law, to know their legal effect and operation. What the complainant said in his testimony was a statement of opinion upon a question of law, where the facts were equally well known to both parties. Such statements of opinion do not operate as an estoppel. If he had said, in express terms, that by that contract he was responsible for the loss, it would have been, under the circumstances, only the expression of opinion as to the law of the contract, and not a declaration or admission of a fact, *343such, as would estop him from subsequently taking a different position as to the true interpretation of the written instrument.
“In Brant v. Virginia Coal & Iron Co., 93 U. S. 326, 337, it was said: ‘Where the condition of the title is known to both parties, or both have the same means of ascertaining the truth, there can be no estoppel.’
“ So in Brewster v. Striker, 2 N. Y. 19, and Norton v. Coons, 6 N. Y. 33, and approved in Chatfield v. Simonson et al., 92 N. Y. 209, 218, where.it Avas ruled ‘that the assertion of a legal conclusion, where the facts were all stated, did not operate as an estoppel upon the party making such assertion.’ ”
So, whatever the local agent may have said as to the condition of the contract, was a mere expression of opinion as to a matter of law in respect to which both parties Avere equally chargeable with knowledge. It seems to us clear that only because of the inference to be drawn from the rejection of the instruction asked by the defendant, and the giving of the instruction with this suggestion of false representation or deceit, can the verdict of the jury be accounted for.
Nor can we think that the action of the defendant in requesting, after the jury had returned and asked certain questions, Avhich Avere ansAvered by the trial judge, that he repeat the instructions theretofore given in respect to Avaiver and abandonment, is to be taken as an indorsement of those instructions. After it had once excepted to the refusal of an instruction which it had asked, and excepted to those that were given, it did not lose the benefit of such exceptions by a request that the court repeat the instructions excepted to in connection with cértain answers made to questions propounded by the jury. It meant simply that if the court answered, as it did, the questions propounded by the jury, it ought to supplement those answers with a restatement of the instructions theretofore given, and asking that restatement Avas not an admission that they Avere correct, but simply a request that they should be restated so as to qualify the answers given to the questions.
In this connection Ave may be permitted to suggest that no afterthought of ingenious and able counsel should be permitted to disturb the understanding and agreement of the parties based *344upon their belief as to what the law is, or to enforce a contract which both parties concluded to abandon.
A single further matter requires notice, and we mention it simply to indicate that we have considered, although we do not decide, the question involved therein: The contract of insurance is a peculiar contract, especially when made with a mutual insurance company, for although in terms a contract with a corporation it is in substance a contract between the insured and all other members of that company. The character of this contract was fully considered and discussed by this court in New York Life Insurance Co. v. Statham, 93 U. S. 24, and to that case we refer without quotation. Now, whether the insurance company, if the law of New York be applicable, could insist upon a forfeiture without giving the notice prescribed by the statutes of that State, and, enforcing it, forfeit all premiums paid, all obligation for the return of the surrender value, all right' of the insured by subsequent payments to continue the policy in force, is one question. But.it is a very different question whether the executrix of the insured, after his long delinquency in the payment of premiums, can enforce the contract as against the other insured parties, thereby diminishing their, interest in the accumulated reserve. Ordinarily no one can enforce a contract unless on his part he performs the stipulated promise, and it may be that this rule is operative in this case. "We do not care to decide the question, and only mention it for fear that it should be assumed we had overlooked it. It is a question which may never arise in the future litigation of this case, and until it necessarily arises we do not feel called upon to decide it.
For these reasons the judgments of the Court of Appeals of the Ninth Circuit and of the Circuit Court of the United States for the District of Washington are reversed, and the case remanded to the latter court with instructions to award a new trial.
Me. Justice Peokham did not sit at the hearing and took no part in the decision of this case.