A Washington tax power of attorney form (Form 42-2446) is a legal document allowing a representative to file an individual’s taxes and complete similar tasks with the Washington Department of Revenue. If the taxpayer completes the form properly, the state will recognize the authority they grant.
If the taxpayer wants to rescind the powers they’ve awarded, they can submit a revocation to the Department of Revenue and wait for approval.
Signing Requirements — Taxpayer only.
Statute — Revised Code of WA § 11.125.380.