1040 Washington electronic filing information

State contact information

If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.

Washington State Department of Revenue

P.O. Box 47468

Olympia, WA 98504-7468

Phone
: 360-763-7300

Email address
: Gautes@dor.wa.gov

Tax Refund Inquiries
: workingfamiliescredit.wa.gov or dor.wa.gov/capitalgainstax

E-filing information	Details
E-filing mandate	WFTC Applications prepared by tax software must be filed electronically Capital Gains Tax Returns prepared by tax software must be filed electronically
Accepts state-only filings	No. Federal return must be filed electronically and accepted before WA e-file can be processed by WADOR.
Return types accepted	Working Families Tax Credit Application Capital Gains Tax Return
Conditions for e-filing	Working Families Tax Credit amount must be greater than zero. Capital Gains - Refund, Zero balance, Balance due
Direct deposit of refunds	Yes for Original application. No for Amended application.
Accepted forms of payment	Balance due is possible only for Amended application. WA DOR will send an invoice to the applicant.
Signature requirements	Uses same PIN used for federal return.
Driver's license requirements	Optional
Supports PDF attachments	Yes
Tax year(s) supported for e-filing	Working Family Tax Credit applications for tax years 2022 - 2024 will be accepted through December 31, 2025. Capital Gains tax returns for 2024 will be accepted through December 31, 2025.
Special considerations	See modernized e-file Handbook for Software Developers and Transmitters - Washington State.