Md. Code, Business Regulation § 6–408

(a) A charitable organization that solicits or intends to solicit charitable contributions after it submits a registration statement to the Secretary of State shall submit an annual report in accordance with this section.

(b) A charitable organization shall submit an annual report to the Secretary of State:

(1) within 6 months after the end of the charitable organization’s fiscal year; or

(2) by any later date that the Secretary of State sets.

(c) The annual report shall contain:

(1) any change to the registration statement and to a previous annual report;

(2) the financial information and any supporting audit or review that the Secretary of State requires; and

(3) an affidavit signed by the chairman, president, or other principal officer attesting to the truth of the annual report and all supporting documents.