Amends GS 87-21 to add that a local board of education that regularly employs a licensee under Article 2 (plumbing and heating contractors) is not deemed to be engaged in the business of plumbing, heating, or fire sprinkler contracting. 

Amends GS 87-26 (corporations; partnerships; persons doing business under trade name) to add that nothing in the statute limits the ability of a licensee under Article 2 (plumbing and heating contractors) who is regularly employed by a local board of education to maintain an individual license or to contract or perform work during the hours the licensee is off-duty.

Amends GS 115C-524 to allow local boards of education to employ personnel who are licensed to perform maintenance and repairs on school property for plumbing, heating, and fire sprinklers.