Design plans for commercial coaches are required for units that are sold, leased, or used in Washington state and must be approved when:
(1) You build a new unit;
(2) You modify an approved design plan through addendums;
(3) You add options to an approved design plan through addendums; or
(4) You change the occupancy classification of the building.
[Statutory Authority: RCW
43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, § 296-150C-0300, filed 10/23/96, effective 11/25/96.]