(1) When the Grays Harbor pilotage district files a notice of its recommended pilotage service tariff with the commission, it must include:

(a) The district pilotage budget;

(b) The prior year pilotage financial statement; and

(c) Official notice of the public hearing held on the proposed tariff.

(2) If a person with a substantial interest petitions the commission to modify the Grays Harbor pilotage district tariff, the person must submit all of the following:

(a) The name of the petitioner;

(b) A description of why the existing tariff is not fair, just, reasonable, and sufficient;

(c) A description of each proposed change and a brief statement of the reason for the change;

(d) The dollar and percentage amounts that revenue generated under the tariff will change if the commission approves the filing;

(e) The percentage amount that rates will change if approved by the commission;

(f) A contact person's name, mailing address, telephone number, and email address;

(g) An electronic copy of the proposed tariff; and

(h) Information demonstrating the petition was submitted to and subsequently rejected by the Port of Grays Harbor.

(3) If the commission modifies the Grays Harbor pilotage district tariff, the commission will enter an appropriate order. The order and the modified tariff will state the date on which the revised rates, terms, or conditions become effective. The commission will serve a copy of the modified tariff electronically on the Grays Harbor pilotage service providers.