Md. Code, Business Occupations and Professions § 12-401
This is the official text of Md. Code, Business Occupations and Professions § 12-401, part of Maryland’s Code, Business Occupations and Professions — governs professional and occupational licensing.
Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.
§12–401.
Official statutory text
(a) A person may engage in the business of providing plumbing services if:
(1) the person is a master plumber or holder of a limited master plumber license; or
(2) the person:
(i) designates a master plumber or holder of a limited master plumber license who actively directs, controls, and is responsible for all plumbing services; and
(ii) otherwise provides the plumbing services in accordance with this title.
(b) A person may engage in the business of providing propane gas services if:
(1) the person is the holder of a propane gas fitter certificate; or
(2) the person:
(i) designates a holder of a propane gas fitter certificate who actively directs, controls, and is responsible for all propane gas services; and
(ii) otherwise provides the propane gas services in accordance with this title.
(c) A person may engage in the business of providing natural gas services if:
(1) the person is the holder of a master natural gas fitters license; or
(2) the person:
(i) designates a holder of a master natural gas fitters license who actively directs, controls, and is responsible for all natural gas services; and
(ii) otherwise provides natural gas services in accordance with this title.
(1) the person is a master plumber or holder of a limited master plumber license; or
(2) the person:
(i) designates a master plumber or holder of a limited master plumber license who actively directs, controls, and is responsible for all plumbing services; and
(ii) otherwise provides the plumbing services in accordance with this title.
(b) A person may engage in the business of providing propane gas services if:
(1) the person is the holder of a propane gas fitter certificate; or
(2) the person:
(i) designates a holder of a propane gas fitter certificate who actively directs, controls, and is responsible for all propane gas services; and
(ii) otherwise provides the propane gas services in accordance with this title.
(c) A person may engage in the business of providing natural gas services if:
(1) the person is the holder of a master natural gas fitters license; or
(2) the person:
(i) designates a holder of a master natural gas fitters license who actively directs, controls, and is responsible for all natural gas services; and
(ii) otherwise provides natural gas services in accordance with this title.
Status: in_force · Read it on the official government site
Dealing with a business matter in Maryland?
See all Maryland Business lawyers
About this page: Statute text is reproduced from official government publishers via the
Open US Law dataset
(Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine
(Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.