WA SB5701

Expands the definition of "interested party" under prevailing wage law to include Taft-Hartley trusts and joint labor-management cooperation committees established under the federal Labor-Management Cooperation Act of 1978

Requires the Department of Labor and Industries to provide copies of employer certified payroll records to interested parties upon request

Restricts joint labor-management cooperation committees to using payroll record information only for filing prevailing wage complaints under RCW 39.12.065, prohibiting use for union organizing or commercial activity

Adds a new definition of "contractor" that includes entities with substantially identical operations, corporate, or management structures to entities previously found in violation of prevailing wage laws (effective January 1, 2026)

Amends RCW 39.12.010 and 39.12.120, with Section 1 expiring January 1, 2026, and Section 2 taking effect on that date