What you'll need to apply
To apply for the Working Families Tax Credit, you will need the following:
- A copy of your federal tax return that you filed with the IRS.
- Your Social Security Number or ITIN, and dates of birth for you, your spouse, and children.
- Your Washington state driver’s license or ID number (if you have one).
- Your residential and mailing address.
- Your bank routing number and account number if you choose direct deposit.
Video: What you’ll need to apply (0:33)