Md. Code Ann., Nat. Res. § 3-111
Except as provided in § 3-104 of this subtitle, or in an approved five-year plan adopted under this subtitle, it is unlawful for a municipality or person provided with any projects by the Service under this subtitle to duplicate or use any other similar projects serving the same purpose unless the Service expressly permits it to do so.
Added by Acts 1973, 1st Sp. Sess., c. 4, § 1, eff. Jan. 1, 1974. Amended by Acts 1989, c. 815; Acts 1993, c. 196, § 1.
Formerly Art. 33B, § 10.