This act shall not deny to any municipality the power to inspect plumbing work or plumbing equipment or the power to regulate the standards and manner in which plumbing work shall be done, but no municipality, local board of health or other agency shall require any master plumber licensed under this act or any master plumber or plumbing contractor authorized to engage in the business of plumbing contracting under this act to obtain any additional license, apply for or take any examination or pay any licensing fee.
N.J.S. § 45:14C-14