Maryland Statutes
Subtitle 5 - Charitable Solicitations
Section 6-504 - Receipt Required After Telephone Solicitation

Within 30 days after receiving a charitable contribution as a result of a charitable solicitation by telephone, a professional solicitor shall send the contributor a written receipt that contains:
        (1)    the name and address of the professional solicitor;
        (2)    a disclosure statement; and
        (3)    other information that the Secretary of State requires.