Maine Emergency Medical Services - Prehospital Treatment Protocols - December 1, 2021 update. These protocols are issued by the Medical Direction and Practice Board and govern the practice of EMS licensees by the authority of 32 MRSA § 86.2-A. All Maine emergency physicians and the regional EMS programs were invited to participate in the review and adoption of these protocols through their MEMS Regional Councils. The Regional Medical Directors agree that when treatments are adopted in their re