1.  Acceptable identification.  A licensee may refuse to serve liquor to any person who fails to display upon request an identification card issued under Title 29‑A, section 1410, including an official identification card issued by a federally recognized Indian tribe in the State as described in Title 29‑A, section 1410, subsection 7, or a motor vehicle operator's license bearing the photograph of the operator and issued under Title 29‑A, chapter 11.  

2.  Age requirement for identification.  A licensee or licensee's employee or agent may not sell, furnish, give or deliver liquor or imitation liquor to a person under 27 years of age unless the licensee or licensee's employee or agent verifies the person is not a minor by means of reliable photographic identification containing that person's date of birth.