Md. Code, Local Government § 1–503

A county or municipality may not authorize or certify residential property to

be rented or leased unless the owner of the property:

(1) states in writing to the county or municipality under penalty of

perjury:

(i) that the residential property is not an affected property; or

(ii) that the residential property is an affected property that

has been registered and for which the registration has been renewed in accordance

with §§ 6–811 and 6–812 of the Environment Article; and

(2) if the property is an affected property, provides the inspection

certificate number for the inspection conducted for the current tenancy as required

under § 6–815(c), § 6–817(b), or § 6–819(e) of the Environment Article.