Maryland Statutes
Subtitle 4 - Permits and Registration
Section 2-402 - Permits or Registration -- Exceptions

The Department may not require a permit or registration for:
        (1)    Any machinery or equipment that normally is used in a mobile manner;
        (2)    Any boiler used exclusively to operate steam engines for farm and domestic use;
        (3)    The construction of a generating station constructed by a person that is required to obtain a certificate of public convenience and necessity under §§ 7–207 and 7–208 of the Public Utilities Article and regulations adopted by the Public Service Commission;
        (4)    Actual construction of buildings, apart from any possible emission producing machinery housed in the buildings;
        (5)    Any parking garage; or
        (6)    Any parking lot.