Md. Code, Business Regulation § 6–506

(a) Within 3 months after the end of each fund-raising drive, campaign, or event, a professional solicitor shall submit to the Secretary of State, on the form that the Secretary of State provides, an accounting under oath of all money received and disbursed on a gross basis.

(b) The professional solicitor and an authorized official of the charitable organization for which the professional solicitor acts shall sign the accounting and certify that it is true to the best of their knowledge.