10-144-264 Me. Code R. § 4
To demonstrate proper immunization against each disease, an employee must present the Designated Healthcare Facility with a Certificate of Immunization from a physician, nurse or health official who has administered the immunization(s) to the employee. Physicians within their own practice may authorize their own employees to issue a certificate of immunization on behalf of the physician. The certificate must specify the immunization(s), and the date(s), including month and year, on which it was administered. Physicians, having reviewed official patient records created by another practitioner which indicate that a particular patient has received an immunization on a specified date, demonstrating at a minimum the month and year the immunization was given, may certify that the immunization was given. Adequately prepared secondary and/or collegiate school health records will also be considered acceptable for the purpose of meeting this requirement.
To demonstrate that an employee is immune to any of the diseases listed in Section 5(A)(1)-(5) , the employee may present the hospital/facility Designated Healthcare Facility with laboratory evidence demonstrating immunity, or other acceptable evidence of immunity. (See Section 7 (-B) Individual Health Records.) No Proof of Immunity is available for Influenza.
10-144 C.M.R. ch. 264, § 4