Md. Code Ann., Envir. § 3-407
A person is not subject to action for a violation of a provision of this title or any rule or regulation adopted under this title so long as the person acts in accordance with a plan for compliance that:
Added by Acts 1982, c. 240, § 2. Amended by Acts Acts 2012, c. 360, § 1, eff. Oct. 1, 2012.
Formerly Art. 43, § 830.