RCW 47.47.180
RCW 47.47.180: Federal laws, rules, and regulations.
Applicable federal laws, rules, and regulations govern in any situation that involves federal funds if the federal laws, rules, or regulations: (1) Conflict with any provision of this chapter; (2) Require procedures that are additional to or inconsistent with those provided in this chapter; or (3) Require contract provisions not authorized in this chapter.