Me. Rev. Stat. tit. 20-A, § 204

A rule authorized or provisionally adopted pursuant to this Title after January 1, 2005 that proposes to regulate private schools is a major substantive rule and subject to legislative review in accordance with Title 5, chapter 375, subchapter 2-A. An amendment to a rule adopted pursuant to this Title prior to January 1, 2005 is considered a major substantive rule when the amendment pertains to private schools, and it is subject to legislative review in accordance with Title 5, chapter 375, subchapter 2-A.