Md. Code, Environment § 6-804

(a) Affected property is exempt from the provisions of Part IV of this subtitle if the owner submits to the Department an inspection report that:

(1) Indicates that the affected property has been tested for the presence of lead-based paint in accordance with standards and procedures established by the Department by regulation;

(2) States that:

(i) All interior and exterior surfaces of the affected property are lead-free; or

(ii) 1. All interior surfaces of the affected property are lead-free and all exterior painted surfaces of the affected property that were chipping, peeling, or flaking have been restored with nonlead-based paint; and

2. No exterior painted surfaces of the affected property are chipping, peeling, or flaking; and

(3) Is verified by the Department accredited inspector who performed the test.

(b) In order to maintain exemption from the provisions of Part IV of this subtitle under subsection (a)(2)(ii) of this section, the owner shall submit to the Department every 2 years a certification, by a Department accredited inspector, stating that no exterior painted surface of the affected property is chipping, peeling, or flaking.

(c) Outside surfaces of an affected property, including windows, doors, trim, fences, porches, and other buildings or structures that are part of the affected property, are exempt from the risk reduction standards under §§ 6-815 and 6-819 of this subtitle if all exterior surfaces of an affected property are lead-free and the owner submits to the Department an inspection report that:

(1) Indicates that the outside surfaces have been tested for the presence of lead-based paint in accordance with standards and procedures established by the Department by regulation;

(2) States that all outside surfaces of the affected property are lead-free; and

(3) Is verified by the Department accredited inspector who performed the test.