Example 1 - Return due date
Facts: The due date for Michael's federal income tax return is April 18, 2023. Michael has a Washington capital gains excise tax liability.
Result: The capital gains excise tax return due date is April 18, 2023, which is the date Michael's federal income tax return is due. Michael must file his capital gains excise tax return on or before April 18, 2023, or the return will be late and penalties will apply.
Example 2 - Incomplete return
Facts: Jane filed her federal income tax return on April 18, 2023. Jane owes capital gains excise tax and is required to file a capital gains excise tax return. She filed the return on April 18, 2023, but did not provide the department with a copy of her federal income tax return until April 30, 2023.
Result: Jane was required to file a complete return by April 18, 2023. Jane did not file a complete return on April 18, 2023, because she failed to include a copy of her federal individual income tax return along with the capital gains excise tax return. Jane's return is late. See subsection (5) of this rule for additional information on the late filing penalty.
Example 3 - Late payment - No federal extension
Facts: Jeannette filed her federal income tax return on April 18, 2023. Jeannette files a capital gains excise tax return on April 18, 2023. She later remits her capital gains excise tax to the department on April 20, 2023.
Result: Jeannette was required to pay the capital gains excise tax on April 18, 2023, when her federal income tax return was due. Jeannette paid the capital gains excise tax late and is subject to penalties and interest.
Example 4 - Late payment - Federal income tax return extension Facts: Gil requested a federal income tax return extension on April 12, 2023, and received an automatic extension of time to file his federal tax return to October 16, 2023. Gil properly submits an extension request certification to the department before April 18, 2023, the original due date for the federal tax return and capital gains excise tax return. Gil files a capital gains excise tax return and pays his capital gains excise tax on October 13, 2023.
Result: Gil paid his capital gains excise tax late and is subject to penalties and interest with respect to the late payment. While Gil extended the date for filing the capital gains excise tax return, the due date for the payment of the capital gains excise tax remained April 18, 2023.
Wash. Admin. Code § 458-20-300