Wash. Rev. Code § 19.330.070
(2) At least ninety days prior to the enforcement of an attachment order against articles or products pursuant to subsection (1) of this section, the court shall notify any person in possession of the articles or products of the pending attachment order. Prior to the expiration of the ninety-day period, any person for whom the articles or products were manufactured, or to whom the articles or products have been or are to be supplied, pursuant to an existing contract or purchase order, may:
[ 2011 c 98 s 7.]