(a) In general. (1) Except as provided in section 6033(a)(3) and paragraph (g) of this section, every organization exempt from taxation under section 501(a) shall file an annual information return specifically setting forth its items of gross income, gross receipts and disbursements, and such other information as may be prescribed in the instructions, issued with respect to the return. Except as provided in paragraph (d) of this section, such return shall be filed annually regardless of whether such organization is chartered by, or affiliated or associated with, any central, parent, or other organization.