The following persons shall be exempt from the provisions of this chapter: (1) An employee or a subordinate of a person holding a license under this chapter, provided the work of such employee shall be under the responsible supervision of a person so licensed; (2) any corporation whose operations are under the jurisdiction of the Public Utilities Regulatory Authority and the officers and employees of any such corporation or any contracting corporation affiliated with any such corporation; (3) any manufacturing or scientific research and development corporation and the officers and employees of any such corporation while engaged in the performance of their employment by such corporation, provided the engineering work performed by such corporation, officers and employees shall be incidental to the research and development or manufacturing activities of such corporation; (4) officers and employees of the government of the United States while engaged within this state in the practice of the profession of engineering or land surveying for said government; and (5) architects licensed under chapter 390, in the performance of work incidental to their profession.

(1949 Rev., S. 4628, 4631; 1951, 1953, S. 2314d; 1961, P.A. 568, S. 2; February, 1965, P.A. 547, S. 5; 1967, P.A. 762, S. 4; 1971, P.A. 772, S. 1; P.A. 75-486, S. 51, 69; P.A. 77-614, S. 162, 610; P.A. 80-482, S. 175, 348; P.A. 82-370, S. 13, 16; P.A. 98-3, S. 22; P.A. 11-80, S. 1.)

History: 1961 act eliminated exemptions for employees of nonresidents working in this state for short periods of time and employees of newly arrived applicants; 1965 act deleted such nonresidents and newly arrived applicants from purview of section; 1967 act amended Subdiv. (b) to exempt corporations under jurisdiction of public utilities commission and their agents, contractors, and professional consultants, manufacturing corporations and their agents and scientific research and development corporations and their officers, agents and employees; 1971 act rearranged and increased Subdivs., rephrased proviso in Subdiv. (a) to require that employee of certificate holder be under responsible supervision rather than that he not have responsible charge of design or supervision, deleted reference to agents, contractors and professional consultants in Subdiv. (b) and added reference to contracting corporations, deleted reference to agents in Subdiv. (c) and added proviso in Subdiv. (c); P.A. 75-486 replaced public utilities commission with public utilities control authority in Subdiv. (b); P.A. 77-614 replaced public utilities control authority with division of public utility control within the department of business regulation, effective January 1, 1979; P.A. 80-482 made division of public utility control an independent department and removed reference to abolished department of business regulation; P.A. 82-370 replaced references to registration with references to licensure; P.A. 98-3 made technical changes; pursuant to P.A. 11-80, “Department of Public Utility Control” was changed editorially by the Revisors to “Public Utilities Regulatory Authority” in Subdiv. (2), effective July 1, 2011.