WAC 388-02-0410
WAC 388-02-0410. After the parties agree to a stipulation, may they change or reject it?
(1) A party may change or reject a stipulation after it has been made.
(2) To change or reject a stipulation, a party must show the ALJ that:
(a) The party did not intend to make the stipulation or was mistaken when making it; and
(b) Changing or rejecting the stipulation does not harm the other parties.