RCW 11.96A.115: Discovery.

In all matters governed by this title, discovery shall be permitted only in the following matters:

(1) A judicial proceeding that places one or more specific issues in controversy that has been commenced under RCW 11.96A.100, in which case discovery shall be conducted in accordance with the superior court civil rules and applicable local rules; or

(2) A matter in which the court orders that discovery be permitted on a showing of good cause, in which case discovery shall be conducted in accordance with the superior court civil rules and applicable local rules unless otherwise limited by the order of the court.