A contract for the performance of any act for which a home builder registration number is required is not enforceable unless the home builder was registered at the time that the contract was signed by the owner.
Md. Code Ann., Bus. Reg. § 4.5-605
Known as the Maryland Home Builder Registration Act
The act spans §§ 4–4 (91 sections).
Official source: Maryland General Assembly. Reproduced from public-domain Maryland statutes; confirm against the official source for the current text. Not legal advice.