In accordance with state law (RCW 53.19), all sole source personal service agreements (PSA) and amendments to existing PSAs exceeding 50 percent of the original contract amount must be made available to the public prior to the proposed starting date of services.

Chapter 53.19 RCW: PERSONAL SERVICE CONTRACTS (wa.gov)

Sole source contracts and amendments for review

072132 Rail Advocacy Services Commission Memo

071630 TPC Economic Development Board Amend 01 Commission Memo