(1) Within ten days of making a filing requiring posting, publication, or customer notice under WAC 480-90-194, 480-90-195, or 480-90-197, but no sooner than when the tariff is filed with the commission, a utility must file a statement with the commission's records center that the required notice has been posted, published, and/or mailed. The declaration must include:

(a) The methods used to post, publish, and/or give notice to customers;

(b) When and how the notice was posted, published, and/or issued to customers;

(c) How many customers are affected; and

(d) A copy of the notice.

(2) A utility may request assistance from the commission's designated public affairs officer with efforts to comply with WAC 480-90-193 through 480-90-197.