Every registrant under the Securities Act of 1933 shall file an annual report, on the appropriate form authorized or prescribed therefor, for the fiscal year in which the registration statement under the Securities Act of 1933 became effective and for each fiscal year thereafter, unless the registrant is exempt from such filing by section 15(d) of the Act or rules thereunder. Annual reports shall be filed within the period specified in the appropriate report form.
17 C.F.R. §240.15d-1