| 2025-10-08 | Skanska | LTR 248 | Notifies WSDOT of intent to request Change Order for 2025 B&O Tax changes under House Bill 2081 |
| 2025-10-20 | WSDOT | SL 9727-181 | Refers to Section 1-07.1(5)2; HB 2081 does not meet conditions; equitable adjustment denied |
| 2025-11-03 | Skanska | LTR 266 | Formal Notice of Protest 007 — House Bill 2081 / Business & Occupation Tax |
| 2025-11-17 | Skanska | LTR 277 | Supplemental protest; argues rate increase meets all three contractual conditions; Brickyard impact = $27,366.84 |
| 2025-12-09 | WSDOT | SL 9727-215 | Protest denied. No eligibility. Issue closed. Refers to Section 1-09.11 Claims. |
| 2025-12-23 | Skanska | LTR 302 | Notice of Intent to Claim under GP 1-09.11(2); requests 60-day extension |
| 2026-01 | WSDOT | SL 9727-231 | Acknowledges Notice of Intent to Claim |
| 2026-02-20 | Skanska | LTR 353 | Courtesy update: Certified Claim being prepared with outside counsel; no submission date given |
| 2026-02-27 | WSDOT | SL 9727-284 | Acknowledges update; Skanska may file prior to Final Contract Voucher or Final Acceptance |