(a) A specialty contractor's license may be issued the licensee to engage in contracting for l or more unrelated and generally recognized building trades for which he is competent, each of which shall be specified in the license. A specialty contractor's license may also be issued authorizing and licensee to engage in contracting for the building of specific types of structures or fixtures for which he is competent, each of which shall be specified in the license.
(b) A licensee classified as a specialty contractor shall not act in the capacity of a contractor in any classification other than the one in which he is licensed unless the work is incidental and supplemental to the performance of a contract in a classification in which the contractor is licensed.History: Contractors Lic. Bd. Classification of Contractors' Licenses, eff 12 Feb 73, (part).