US lawWashingtonRegulationsTitle 480 — UTILITIES AND TRANSPORTATION COMMISSIONChapter 480-07 — PROCEDURAL RULES480-07-120WAC 480-07-120WAC 480-07-120. Office hoursLast amended: 2017Year: 2026Length: 31 wordsOfficial source The commission's offices are open to the public between the hours of 8:00 a.m. and 5:00 p.m., Monday through Friday, except on official state holidays as defined in RCW 1.16.050 .PreviousWAC 480-07-110NextWAC 480-07-125