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Interest rate tables
Contact DORStatistics@dor.wa.gov for periods not listed on this table.
Excise tax
|
Calendar year |
Assessment rate |
Refund rate |
|---|---|---|
| 2026 | 6% | 6% |
| 2025 | 7% | 7% |
| 2024 | 6% | 6% |
| 2023 | 3% | 3% |
| 2022 | 2% | 2% |
| 2021 | 3% | 3% |
| 2020 | 4% | 4% |
| 2019 | 4% | 4% |
| 2018 | 3% | 3% |
| 2017 | 3% | 3% |
| 2016 | 2% | 2% |
| 2015 | 2% | 2% |