WAC 296-150F-0300   When is design plan approval required?  Design plans for factory-built housing and commercial structures prior to installation at the building site in Washington must be approved when:

     (1) You build a new unit;

     (2) You modify an approved design plan through an addendum; or

     (3) You add options to an approved design plan through an addendum.



[Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150F-0300, filed 10/23/96, effective 11/25/96.]