641—23.2 (105) Duties of all licensees, specialty licensees, and certificate holders.
	   23.2(1) While conducting business or performing work covered under Iowa Code chapter 105, each licensee must keep a copy of the licensee’s board-issued, wallet-sized licensing identification card issued under Iowa Code section 105.12(2) on the licensee’s person or in an easily retrievable area at the work site.
	   23.2(2) Each licensee must maintain a residential or business address on record with the board. In the event the licensee’s residential or business address changes, the licensee shall so notify the board.
	   23.2(3) Each licensee shall apply for and obtain all applicable permits prior to performing any work covered under Iowa Code chapter 105 as may be required by any law, ordinance, or regulation of this state, or a political subdivision therein.
	   23.2(4) A licensee shall present upon request a copy of the licensee’s board-issued, wallet-sized license identification card issued under Iowa Code section 105.12(2).
	   23.2(5) A licensee possessing a lapsed license may not operate as a contractor or work in the plumbing, mechanical, HVAC-refrigeration, sheet metal, or hydronic disciplines or work as a medical gas system installer or work in a specialty license discipline until the license is reinstated and renewed.
	   23.2(6) Each licensee shall perform all Iowa Code chapter 105-covered work in conformity with the applicable professional code.
	   23.2(7) A licensee shall not perform any Iowa Code chapter 105-covered work for which the licensee does not possess the requisite license.
	   23.2(8) A licensee shall conform to the minimum standard of acceptable and prevailing practice and shall exercise the degree of workmanlike care which is ordinarily exercised by the average licensee in the applicable trade acting in the same or similar circumstances.
	   23.2(9) A licensee who utilizes the services of an unlicensed person as a helper shall be responsible for the work performed by the helper and shall ensure that such work conforms to the minimum standard of acceptable and prevailing practice.
This rule is intended to implement Iowa Code sections 105.10, 105.14, 105.16, 105.18 and 105.19.
[ARC 1218C, IAB 12/11/13, effective 5/1/14]