P-106.1 Authorization: In enacting this code, the Council recognizes that the department has promulgated technical regulations governing the manner in which plumbing work is to be performed and the materials that are to be used. Those regulations are hereby reaffirmed. The department is authorized to promulgate additional such regulations and to amend existing such regulations as it deems necessary or appropriate from time to time. The department is also authorized to promulgate any other regulations necessary or appropriate to implement the provisions of this code. Promulgation of regulations shall be made subject to published notice and upon request, a public hearing.