Section 403.5, Clothes dryer duct, of the IPMC, is hereby amended by adding the following section:
Section 403.5.1 Clothes dryer duct Transition ducts, in rental dwelling units and buildings, used to connect the dryer to the exhaust duct system shall be a single length that is listed and labeled in accordance with UL 2158A. Transition ducts shall be a maximum of 8 feet (2438 mm) in length and shall not be concealed within construction.