N.J. Admin. Code § 13:32-1.3
The following words and terms, when used in this chapter, shall have the following meanings, unless the context clearly indicates otherwise:
"Apprentice plumber" means any person other than a master plumber or journeyman plumber who, as his or her principal occupation, is engaged in learning and assisting in the installation of plumbing.
"Board" means the State Board of Examiners of Master Plumbers.
"Bona fide representative" means a licensed master plumber who is the holder of not less than 10 percent of a plumbing contractor in the State of New Jersey.
"Journeyman plumber" means an individual who works under the supervision of a licensed master plumber or supervisory journeyman plumber and who has completed either four years in an apprenticeship program approved by the United States Department of Labor or has been awarded a bachelor's degree in mechanical, plumbing, or sanitary engineering from a college or university accredited by a regional accreditation agency recognized by the Council on Post-Secondary Accreditation or the United States Department of Education.
"Licensed master plumber" means a person licensed pursuant to 45:14C-1 et seq. who has the qualifications, training, experience and technical knowledge necessary to properly plan, lay out, install and repair plumbing apparatus and equipment and to supervise others in the performance of such work in accordance with the rules established in this chapter.
"Plumbing" means the practice, materials and fixtures used in the installation, maintenance, extension, alteration, repair and removal of all piping, plumbing fixtures, plumbing appliances and plumbing apparatus in connection with any of the following:
1. Sanitary drainage;
2. Storm facilities and building sewers to their respective final connection to an approved point of disposal;
3. Venting systems; and
4. Public and private water supply systems of any premises to and within the property line of any building or structure to their final connection with an approved supply system.
"Plumbing" also means the practice and materials used in the installation, maintenance, extension, alteration, repair or removal of storm water, refrigeration and air conditioning drains, liquid waste or sewage. "Plumbing" does not include the final connection to an approved point of disposal or an approved supply system which extends beyond three feet of a building or structure.
"Plumbing contractor" means any individual licensed master plumber operating as a sole proprietor who, or a firm, partnership, corporation or other legal entity, which undertakes for another the planning, laying out, supervising, installing or making of additions, alterations and repairs in the installation of plumbing who either acts, or has a licensed master plumber who acts, as a bona fide representative as required by 45:14C-2(d) and (h) and this chapter.
"Propane services" means the performing of safety and leak testing of, and the performing of installation, maintenance, repair, removal, adjustment, and other services to propane appliances including, without limitation, ranges, water heaters, heaters, furnaces, containers, and other propane fueled systems, for residential and commercial applications.
"Supervisory journeyman plumber" means an individual who has completed an apprenticeship program approved by the United States Department of Labor and has completed three additional years as a journeyman plumber working with tools in the installation, maintenance, extension, alteration, repair and removal of all piping, plumbing fixtures, plumbing appliances, and plumbing apparatus as defined in the word "plumbing."
"10 percent ownership" means that the bona fide representative is entitled to 10 percent of any net profits from a business, owns a 10 percent equity interest in a plumbing contractor, and is entitled to 10 percent of the net proceeds from the sale of a business in the event of sale of the business. If the plumbing contractor is a corporation, the bona fide representative owns stock equaling a 10 percent equity interest, and, if there are more than one class of stock, the stock owned by the bona fide representative is the highest level stock with full voting rights.
N.J. Admin. Code § 13:32-1.3