17 CFR § 249.310 - Form 10-K, for annual and transition reports pursuant to sections 13 or 15(d) of the Securities Exchange Act of 1934.
(a) This form shall be used for annual reports pursuant to sections 13 or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) for which no other form is prescribed. This form also shall be used for transition reports filed pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934.
(b) Annual reports on this form shall be filed within the following period:
(3) 90 days after the end of the fiscal year covered by the report for all other registrants.
(c) Transition reports on this form shall be filed in accordance with the requirements set forth in § 240.13a-10 or § 240.15d-10 of this chapter applicable when the registrant changes its fiscal year end.
(d) Notwithstanding paragraphs (b) and (c) of this section, all schedules required by Article 12 of Regulation S-X (§§ 210.12-01-210.12-29 of this chapter) may, at the option of the registrant, be filed as an amendment to the report not later than 30 days after the applicable due date of the report.