Per RCW 51.48.095 penalties under chapter 48 shall be adjusted for inflation every three years beginning July 1, 2023.
| RCW / Title | 51.48.017 Self-Insurer delaying or refusing to pay benefits | 51.48.030 Failure to keep records and make reports | 51.48.040 Inspection of employer's records | 51.48.080 Violation of Rules | |
| Effective for penalties requested on or after these dates: | |||||
| July 1, 2026 - June 30, 2026 | $1301; or 25% of amount due |
$650 or 200% of the quarterly tax for each occurrence | $650 per occurrence | $1301 | |
| July 1, 2023 – June 30, 2026 | $1161; or 25% of amount due |
$580 or 200% of the quarterly tax for each occurrence | $580 per occurrence | $1161 | |
| September 1, 2020 – June 30, 2023 |
$1000; or 25% of amount due |
$500 or 200% of the quarterly tax per occurrence | $500 per occurrence | $1000 | |