5.__Rule violation.__Violating a rule adopted by the board or a provision of this chapter; and

6.__Unprofessional practice.__An act or conduct that constitutes or demonstrates unprofessional practice.

§15358.__Building code

1.__Building code designated.__A dwelling constructed or improved on or after the effective date of this Act must be constructed or improved in accordance with the International Residential Code, which is subject to amendment under subsection 2.__The board shall adopt the 2003 edition of the International Residential Code at its first meeting.__The board may adopt subsequent editions of the International Residential Code and designate the effective dates of such subsequent editions.__When the board adopts a subsequent edition, it shall state clearly whether amendments adopted to a previous edition under subsection 2 are applicable to the subsequent edition.

2.__Amendments to building code.__The board may adopt amendments to the International Residential Code provided such amendments are more stringent than the code and upon finding that such amendments are in the best interests of the consumers in the State.

3.__Preemption.__The fire safety codes and standards adopted pursuant to Title 25, sections 2452 and 2465, the electrical code adopted pursuant to section 1153-A and the plumbing code adopted pursuant to section 3403-B preempt the chapters of the International Residential Code that cover the same aspects of dwelling construction or improvement.

The International Residential Code designated in this section also preempts provisions of municipally adopted codes that are less stringent than the provisions of the International Residential Code that cover the same aspects of dwelling construction or improvement.

4.__Code enforcement.__The board shall ensure that dwellings are constructed and improved in accordance with the building code under this section.__The board may not shift the costs associated with enforcing the building code to municipalities.