N.Y. General City Law § 51: Notice of violation of rules

§ 51. Notice of violation of rules. Whenever any inspector or other

person reports a violation of any such rules and regulations for

plumbing and drainage, or a deviation from any officially approved plan

or specification for plumbing and drainage filed with any board or

department, the appointing power shall first serve a notice of the

violation thereof upon the master plumber doing the work, if a

registered plumber.