The Washington Department of Revenue will begin accepting Tax Year 2025 applications for the Working Families Tax Credit (WFTC) on Feb. 1. “The Working Families Tax Credit program puts money back in the pockets of Washington families,” Gov. The WFTC refund is in addition to what someone may receive under the federal Earned Income Tax Credit program. The application period begins Feb. 1, 2026 for the 2025 tax year and applications will be accepted through Dec. 31, 2029. EligibilityIndividuals and families are eligible for the Working Families Tax Credit for the 2025 tax year if they meet all of the following requirements:Have a valid Social Security Number (SSN) or Individual Taxpayer Identification Number* (ITIN).