The design standard for any new construction commenced after July 1, 2021, within the boundaries of any local unit of government that has not adopted an ordinance prescribing standards for new construction pursuant to SDCL § 11-10-5 shall be based on the 2021 edition of the International Building Code as published by the International Code Council, Incorporated. Each local unit of government may adopt an ordinance allowing local administration and enforcement of the design standard. The provisions of this section do not apply to new construction for any one or two family dwelling, mobile or manufactured home, townhouse, or farmstead and any accessory structure or building thereto. For purposes of this section the term, FARMSTEAD, means a farm or ranch, including any structure or building located on the land. The provisions of this section do not apply to any mobile or manufactured home as defined in SDCL Chapter 32-7A that is used for purposes other than residential that is constructed in compliance with the applicable prevailing standards of the United States Department of Housing and Urban Development at the time of construction if the structure complies with applicable accessibility standards for the occupancy intended. The provisions of this section do not apply to any specialty resort or vacation home establishment as defined in SDCL Chapter 34-18 that is constructed in compliance with the requirements of Group R-3 of the 2018 edition of the International Building Code.
(SDCL § 11-10-6)