(1) Except as provided in subsection (2), a rule, amendment, or repeal of the state building code is a matter of significant public interest for purposes of 2-3-103 and may not take effect until after a public hearing by the department.
(2) If a hearing with adequate public notice pursuant to 2-3-103 has been held by the department of justice with respect to the duties contained in chapter 3 of this title or by the board of plumbers, the department of public health and human services, or the state electrical board on a proposed rule relating to building and equipment standards in their respective fields, a public hearing by the department is not required. The proposed rule is effective upon approval of the department and filing with the secretary of state as a part of the state building code.