A plumber registered and licensed by the board to engage in the business of master plumber, journeyman plumber, or plumber's apprentice may engage in or work at the business of plumbing at any place in this state, except in cities that have adopted ordinances requiring a municipal license or registration in addition to the state license before permitting any plumber to work in such municipality.
N.D. Cent. Code § 43-18-16
Plumber licensed by board may practice at any place in state - Exception
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.