Oct 20, 2026 | Featured
October 11, 2026 Introduction Washington’s expansion of sales tax to custom software has made the classification of development contracts more consequential. Businesses now need to distinguish software purchased for their own use, development of a software...
Jul 6, 2026 | Featured
June 30, 2026 Overview The Washington State Department of Revenue (“The Department”) has issued new guidance on apportioning receipts from investment income. In that guidance, the Department states that its current understanding is that “investment...
Jul 6, 2026 | Featured
Starting Oct. 1, 2025, Washington expanded retail sales tax (and retailing B&O) to several service categories under ESSB 5814. This has caused some confusion for taxpayers and potential missteps with compliance. The good news is that there is a penalty relief...
May 11, 2026 | Featured
The Washington Department of Revenue released its Summary of 2026 Legislation, covering tax-related bills enacted during the 2026 legislative session. New Topics Insurance Exemptions and Advanced Computing Surcharge HB 2487 clarifies that taxpayers are not exempt from...
Apr 22, 2026 | Featured
At a Glance Washington has enacted a new tax aimed at high-income households. Under ESSB 6346, the state will impose a 9.90% tax on Washington taxable income beginning January 1, 2028. This is not a general tax on all income and it is not framed as a tax on wealth or...
