Me. Rev. Stat. tit. 32, § 13845

A pharmacist may engage in collaborative drug therapy management in compliance with a treatment protocol established by the practitioner with whom the pharmacist has a collaborative practice agreement. A copy of the treatment protocol must be submitted to the board. At a minimum, the treatment protocol must include a statement by the practitioner that describes the activities in which the pharmacist is authorized to engage and a provision that allows the practitioner, when appropriate, to override a collaborative practice decision made by the pharmacist.