The Washington state building code council has filed an emergency rule pertaining to energy storage systems regulated under WAC 51-54A-1201 and 51-54A-8000 in WSR 23-11-148. This emergency rule is in effect from May 24 through June 30, 2023, and will be rescinded as of July 1, 2023. A new emergency rule is expected to go into effect on July 1, 2023, with language developed to conform to the 2021 International Fire Code.