WAC 480-90-248
WAC 480-90-248. Transfers of property
Before selling, leasing, or assigning any of its property or facilities which are necessary or useful in the performance of its duties to the public, or before acquiring property or facilities of another public utility, a gas utility must obtain from the commission an order authorizing such transaction in accordance with chapter 80.12 RCW (Transfers of property) and chapter 480-143 WAC (Commission general—Transfers of property).