(1) The written notice provided by the parties, as required by RCW 19.390.030, must include:
(a) The names of the parties and their current business addresses;
(b) The name of any person or entity with a majority ownership, investment, or controlling interest of any party;
(c) Identification of all locations where health care services are currently provided by each party;
(d) A brief description of the nature and purpose of the proposed material change; and
(e) The anticipated effective date of the proposed material change.
(2) The parties that filed a written notice under subsection (1) of this section shall, within 30 days of the completion of the transaction, submit written notice to the attorney general that the transaction has been completed, whether consummated, enjoined, or abandoned.
(3) Nothing in this section prohibits the parties to a material change from voluntarily providing additional information to the attorney general.