The state building code must facilitate the collection of source-separated organic materials from new multifamily residential and commercial buildings, consistent with the requirements of RCW
70A.205.540 and the goals of RCW
70A.205.007, by ensuring that sufficient space is allocated for solid waste storage, including source-separated organic materials. A city or county may modify or amend the requirements established under this section in order to maintain consistency with requirements established by the city or county under RCW
70A.205.760.