Maryland Transportation Section 26-203

      (a)      This section applies to all traffic citations issued under this subtitle, unless:

            (1)      The person otherwise is being arrested under § 26-202(a)(1), (2), (3), or (4) of this subtitle;

            (2)      The person is incapacitated or otherwise unable to comply with the provisions of this section;

            (3)      The citation is being issued to an unattended vehicle in violation of § 21-1003 of this article; or

            (4)      The citation is being issued to an unattended motor vehicle in violation of § 13-402 of this article.

      (b)      On issuing a traffic citation, the police officer shall request the person to sign the statement on the citation acknowledging its receipt. If the person refuses to sign, the police officer shall advise the person that failure to sign may lead to the person's arrest.

      (c)      On being advised that failure to sign may lead to his arrest, the person may not refuse to sign. If the person continues to refuse to sign, the police officer may arrest the person for violation of this section or, as provided in § 26-202(a)(5) of this subtitle, for the original charge, or both.