Me. Rev. Stat. tit. 20-A, § 13706

The department shall adopt rules to implement this chapter. The department shall also adopt rules pertaining to the approval of performance evaluation and professional growth systems pursuant to section 13702. The department shall also adopt rules pertaining to the ongoing monitoring of the implementation and results of district performance evaluation and professional growth systems. Rules adopted pursuant to this section are major substantive rules pursuant to Title 5, chapter 375, subchapter 2‑A.