Md. Code Ann., Tax-Gen. § 11-409
Notwithstanding any other provisions of law, before a State agency issues a rebate or similar instrument or authorizes a rebate or similar instrument to be issued by a nongovernmental entity to reduce the cost of a retail sale of household appliances under a program to promote energy efficiency, the State agency or nongovernmental entity shall require the buyer of a household appliance to certify that:
Added by Acts 2010, c. 650, § 1, eff. July 1, 2010.