Me. Rev. Stat. tit. 29-A, § 1404-A

The Secretary of State shall, at the request of a person who is deaf or hard-of-hearing, print a driver's license or nondriver identification card with a distinctive marker or code to indicate that the person is deaf or hard-of-hearing. The Secretary of State may require appropriate documentation that a person is deaf or hard-of-hearing before issuing the driver's license or nondriver identification card. For purposes of this section, the terms "deaf person" and "hard-of-hearing person" have the same meanings as in section 1358, subsection 1.