OPINION OF THE COURT
Appellant Emra Joseph Bonham filed an action in the United States District Court for the Western District of Pennsylvania against his former employer, Dresser Industries, Inc. The complaint was framed in two counts. Count I, based on the Age Discrimination in Employment Act (ADEA), 29 U.S.C. §§ 621 et seq., charged that Bonham’s employment with Dresser was unlawfully terminated on December 31, 1975 “because of his age and for no other just cause.” Count II invoked the court’s diversity jurisdiction and charged that the termination was a breach of his oral contract of employment actionable under state common law.
Dresser moved to dismiss Count I for lack of subject matter jurisdiction on the ground that plaintiff had failed to file timely charges with both federal and state authorities. Dresser also moved for dismissal of Count II for failure to state a claim. The district court, treating Dresser’s motion as a motion for summary judgment, granted judgment for Dresser on both counts.
In granting summary judgment on Count I, the district court determined that the alleged unlawful practice occurred on October 31,1975, that the federal 180-day period for filing a charge with the Secretary of Labor ran from that date, that Bonham’s June 16, 1976 notice to the Secretary of Labor was therefore untimely, and that Bonham’s failure to file within 180 days of October 31 was a jurisdictional defect. The district court held, alternatively, that Bon-ham’s ADEA claim was barred for failure to file a charge with state authorities within 90 days. In granting summary judgment *190 on Count II, the district court held that the complaint failed to state a claim under Pennsylvania law. We reverse the district court’s grant of summary judgment on Count I of the complaint; we affirm its disposition of Count II.
Bonham, who was in his late forties when the events giving rise to this litigation took place, began working for Dresser Industries in 1969. Through a series of promotions, he reached the position of “manager-factory accounting” at an annual salary of $28,-500.00.
The affidavit of Dresser’s vice president states that Bonham’s employment terminated on October 31, 1975, that Bonham was informed of the termination on or before October 31, 1975, and that Bonham performed no services as a Dresser employee after October 31, 1975. Bonham’s personnel card which Dresser made part of the record, indicates that Bonham was terminated'on October 31; this document states that the termination was “by mutual consent.” 1
Bonham argued here and before the district court that the termination occurred on December 31, 1975. His affidavit states that he was informed on October 31 that he would be terminated as of December 31, 1975, that he was paid his regular salary, periodically from October 31 through December 31, 1975, that the company kept his insurance coverage effective through December 31, and that he was advised, in writing by the company, that his retirement benefits would be calculated on the basis of a December 31 termination date. 2 However, he does not dispute that October 31, 1975 was the day he was told of his termination and that it was the last day he actually worked.
In January of 1976, Bonham wrote directly to the president of Dresser Industries requesting that he be placed in a different division of the company. 3 On January 19, Dresser’s president advised Bonham that he had made arrangements to review other opportunities for Bonham within the company. 4 On February 18, 1976, however, Bonham was notified that there would be *191 no position for him within Dresser Industries.
On June 16, 1976, — 229 days after the October 31 date urged by the company, 169 days after the December 31 date urged by Bonham, and 118 days after Bonham received word from Dresser that there were no other positions at Dresser for him — Bon-ham gave notice to the Secretary of Labor of his intention to sue. On the same date, he notified the Pennsylvania Human Relations Commission of his allegedly wrongful discharge.
The Age Discrimination in Employment Act of 1967 was designed to promote the employment of persons between the ages of 40 and 64 by prohibiting discriminatory employment decisions based on age. See 29 U.S.C. § 631. The substantive provisions of the Act are enforceable both by governmental actions and by private suits brought by aggrieved persons. Prior to the commencement of any action, the Secretary of Labor must be given an opportunity to eliminate the allegedly discriminatory practice through informal methods. 29 U.S.C. § 626(d). In order to provide the Secretary this opportunity to attempt conciliation, an aggrieved person must notify the Secretary that he intends to sue 60 days before commencing an action.
The Act imposes two additional procedural requirements on private litigants. Section 626(d)(1) provides that the 60-day notice of intent to sue must be filed with the Secretary of Labor “within one hundred and eighty days after the alleged unlawful practice occurred . . . .” Section 633 provides, in pertinent part:
(b) In the case of an alleged unlawful practice occurring in a State which has a law prohibiting discrimination in employment because of age and establishing or authorizing a State authority to grant or seek relief from such discriminatory practice, no suit may be brought under section 626 . . . before the expiration of sixty days after proceedings have been commenced under the State law, unless such proceedings have been earlier terminated: . Both of these procedural requirements are at issue in this lawsuit.
Section 626(d)’s 180-day filing requirement begins to run from the date of the “alleged unlawful practice.” At issue here is when that unlawful practice occurred. The litigants agree that the alleged wrongful act was Bonham’s termination, but Bonham argues that that occurred on December 31, the date of his last paycheck and the termination of all company benefits. On these facts, we agree with the district court that the termination took place on October 31,1975, the date urged by Dresser.
Although no simple rule can be formulated which will deal adequately with all factual situations, where unequivocal notice of termination and the employee’s last day of work coincide, then the alleged unlawful act will be deemed to have occurred on that date, notwithstanding the employee’s continued receipt of certain employee benefits such as periodic severance payments or extended insurance coverage. See
Davis v. RJR Foods, Inc.,
We reject the rule propounded in
Moses
v.
Falstaff Brewing Corp.,
The ADEA is humanitarian legislation which must be interpreted in a humane and commonsensical manner; its 180-day filing period is very short. An employee should not be required to take action to enforce his rights while he continues to work and while his employment status is at all uncertain.
The 180-day period does not begin to run until the employee knows, or as a reasonable person should know, that the employer has made a final decision to terminate him, and the employee ceases to render further services to the employer. Until that time he may have reason to believe that his status as an employee has not finally been determined, and should be given an opportunity to resolve any difficulty while he continues to work for the employer. In any event, a terminated employee who is still working should not be required to consult a lawyer or file charges of discrimination against his employer as long as he is still working, even though he has been told of the employer’s present intention to terminate him in the future.
We emphasize that this test is not subjective, and, on the facts of this case we believe that the district judge was correct in ruling that the alleged unlawful practice occurred on October 31,1975 when Bonham ceased to perform services for Dresser Industries with knowledge and on notice that he was not to return to his job.
Although we agree that October 31, 1975 was the date of the alleged unlawful practice, we do not agree that the action is necessarily foreclosed by Bonham’s failure to file within 180 days. Bonham’s action is barred only if the 180-day requirement is viewed as strictly “jurisdictional” and not subject to tolling or similar equitable modifications.
5
While it is true, as the district court recognized, that some authority favors the view that the 180-day requirement is a jurisdictional prerequisite to suit, see
Ott v. Midland-Ross Corp.,
In
Dartt v. Shell Oil Co.,
We have searched the ADEA’s legislative history for indications as to whether Congress intended that the 180-day requirement be a jurisdictional prerequisite or merely a statute of limitations. We have found nothing there which answers the question. Nor do we find guidance under Title VII. Although the Supreme Court has characterized Title VIPs analogous 180-day filing requirements as “jurisdictional,” see
McDonnell Douglas Corp. v. Green,
Our conclusion that the 180-day period is not jurisdictional is based on our view of the design and purposes of the Age Discrimination in Employment Act. This
*193
Court has recognized that the ADEA is remedial and humanitarian legislation which should be liberally interpreted to effectuate the congressional purpose of ending age discrimination in employment.
Goger v. H. K. Porter Company, Inc.,
Because we construe the 180-day requirement to be in the nature of a statute of limitations, we conclude that the granting of summary judgment was improper. The affidavits before the district court on Dresser’s motion state facts which give rise to a disputed issue of tolling or estoppel. Plaintiff’s post-termination reaction was an attempt to secure alternative employment with the company. The letter he received in January from the company’s president was optimistic in this regard. The limitations period may have been tolled while Bonham was actively pursuing this attempt amicably to resolve his employment situation and while the company was sending positive signals. 6
Furthermore, Bonham maintained before the district court that he was unaware of the rights conferred upon him by the ADEA until some time after December. He stated, by way of affidavit, that Dresser never posted any signs on its premises advising employees of the existence of the Act, or at least that he never saw any posted.
Title 29 U.S.C. § 627 provides:
Every employer . . . shall post and keep posted . . . upon its premises a notice to be prepared or approved by the Secretary setting forth information as the Secretary deems appropriate to effectuate the purposes of this chapter.
Such notice is to be posted in prominent and accessible places where it can readily be observed by employees. 29 C.F.R. § 850.10 (1976). The posting requirement was undoubtedly created because Congress recognized that the very persons protected by the Act might be unaware of its existence. Failure to post the required notice will toll the running of the 180-day period, at least until such time as the aggrieved person seeks out an attorney or acquires actual knowledge of his rights under the Age Discrimination in Employment Act. See
Bishop v. Jelleff Associates, Inc.,
7 FEP Cas. 510 (D.D.C.1974).
Cf., Hiscott v. General Electric Co.,
On these issues of tolling or equitable modification, questions of fact arise which must be determined by the district court in the first instance. We hold only that the employee is to be given an opportunity to demonstrate the existence of any equitable factors which may have a bearing on the operation of the 180-day statute of limita--tions.
*194
Dresser argues that remand is nevertheless unnecessary. Citing
Goger v. H. K. Porter Co., Inc.,
The Pennsylvania Human Relations Act, Pa.Stat.Ann. tit. 43, §§ 951
et seq.
(Purdon), is a law “prohibiting discrimination in employment because of age and establishing ... a State authority to grant or seek relief from such discriminatory practice” within the meaning of § 633(b). See
Sutherland v. SKF Industries,
We do not think that it was the intent of Congress to allow states to shrink the federal remedy for age discrimination by imposing limitation periods shorter than the federal ones. If compliance with Pennsylvania’s 90-day filing period is deemed a jurisdictional condition precedent to suit under the ADEA, the federal 180-day limitations period becomes 90 days for residents of Pennsylvania, and the availability of the federal remedy is seriously undermined.
Cf. Olson v. Rembrandt Printing Co.,
We do not hold that the mere existence of a state limitations period which is shorter than the federal one relieves a plaintiff of his obligation to bring his complaint to the attention of the state authorities. Rather, we hold only that if plaintiff files his complaint with the state agency within the federal 180-day period, the state’s conclusion that the filing is untimely under state law will not bar the federal suit. 8 We think this rule is in accord with Congressional intention, consistent with Goger and Rogers, and compelled by our conclusion that the federal 180-day requirement is itself in the nature of a statute of limitations and subject to equitable modification.
We affirm the grant of summary judgment in favor of Dresser on Count II of the complaint. The district court ruled that Bonham’s oral contract of employment was terminable at will by either party. However, in reliance on
McGinley v. Burroughs Corp.,
We do not believe that a complaint of age discrimination will always require proof that the discharged person was replaced by a younger employee; it is enough that he was discharged because of his age. Nor do we think that the record before the district court, before any discovery had been conducted, would permit summary judgment predicated on a factual finding that Bonham had not been the subject of age discrimination.
Moreover, we do not believe that
McGin-ley
accurately states the law of Pennsylvania. The
McGinley
court failed to consider the Pennsylvania Supreme Court’s ruling in
Geary v. United States Steel Corp.,
In the instant case, Pennsylvania’s public policy on the question of arbitrary age discrimination is manifest. A termination based on age would violate the duties imposed on employers by the Pennsylvania Human Relations Act and would trigger the remedies provided by that act. We conclude that the Pennsylvania courts would not hold that termination of an at-will employee on the basis of age gives rise to an independent common law cause of action for breach of contract in addition to those statutory remedies. We do not believe that the courts of Pennsylvania would hold that the mere passage of the Human Relations Act created a separate common law claim where none had existed before, and where that void had been filled by that very legislation. Judicial reluctance to create such a remedy is evident in Geary, and we believe that the courts of Pennsylvania, if directly confronted with the issue, would hold that the Pennsylvania Human Relations Act and the procedures established therein provide the exclusive state remedy for vindication of the right to be free from discrimination based on age. 9
Accordingly, we affirm the grant of summary judgment on Count II of the complaint. We remand Count I for further proceedings on the question of tolling or equitable modification consistent with the views expressed here.
Notes
. App. 10a-lla. The company took the position before the district court, for purposes of its motion, and before this Court, for purposes of the appeal, that Bonham was fired. Indeed, central to its argument is its contention that Bonham was told that he was fired on a date certain. Nevertheless, the company apparently still intends to take the position that the employment relationship was severed consensual-iy-
We sound a note of caution about a grant of summary judgment in circumstances where the facts are unclear and a fuller development of the facts may serve to clarify the application of the law. See
Palmer v. Chamberlin,
. App. 14a-19a.
January 15, 1976
XXX
Dear Mr. James:
I do not see how Dresser, the prime user of direct costs, can afford to lose a man with 17 years experience in the design and installation of direct cost systems and with knowledge and training in other Dresser financial techniques. Many companies have extablished [sic] a headquarters staff job as a COST CONSULTANT with the responsibility of reviewing existing cost systems to maintain them in compliance with company policy; to advise and assist divisions in the design and installation of new systems; and to see that related inventory controls are maintained.
Harbison has made my termination effective January 15 and I wanted to write before I accepted other employment. I know you have recognized the difference in Harbison’s profit picture as a result of financial control and may have a use for me elsewhere to accomplish the same result.
Sincerely yours,
Joseph Bonham
App. 20a
January 19, 1976
xxx
Dear Mr. Bonham:
I have received your letter of January 15 regarding other possible opportunities for employment within Dresser. I do not feel that we should add to the Headquarters staff, the position as Cost Consultant, as you suggested. However, I have asked Bob Shopoff to review what other opportunities there might be in Dresser. After Bob has completed his review, he will be in touch with you directly.
Sincerely,
/s/ J. V. James
App. 21a
. We reject the proposition that Bonham may invoke the extended 300-day period of section 626(d)(2) notwithstanding his failure to make a timely state filing. See
infra
at 9-10. Any other rule would mean that plaintiff could intentionally wait until after the state filing period had run, and then take advantage of the lengthier federal filing period. This was surely not the intent of Congress.
Cf. DuBois v. Packard Bell Corp.,
. An employer’s records and correspondence, while not dispositive of the date of unlawful termination, may be relied upon by an employee to estop the employer from asserting the defense of an untimely notice of intent to sue.
. If the employer complied with the relevant posting regulations, an employee’s assertion that he never saw any notices should not of itself require tolling of the 180-day period in which to file a notice of intent to sue.
. After a complainant initiates state administrative proceedings, he must wait at least 60 days, unless the proceedings are terminated earlier, before bringing suit in federal court. 29 U.S.C. § 633(b). This 60-day period may run concurrently with the 60-day period afforded the Secretary of Labor to attempt conciliation.
. Section 962(b) of the Pennsylvania Human Relations Act, as amended, Pa.Stat.Ann. tit. 43, § 962(b) (Purdon Supp.1977), provides that “as to acts declared unlawful by section five of this act the procedure herein provided shall, when invoked, be exclusive and the final determination therein shall exclude any other action, [except as provided in subsection (c)] civil or criminal, based on the same grievance of the complainant concerned.” Section 962(c) permits a complainant under certain circumstances to bring an action in the state courts of common pleas “based on the right to freedom from discrimination granted by this act.” Thus, the Pennsylvania Supreme Court in other contexts has construed these remedy provisions as exclusive state law remedies once invoked by a complainant.
See Commonwealth Human Rel. Comm’n v. Feeser,
