# September 2026 Client Updates & Reminders

> We’d like to share a timely reminder and updates to help you stay informed and prepared. Here are the latest from the Dept of Revenue, IRS and Dept of Labor. BUSINESS UPDATES August 2026 Excise Tax Return Reminder This is a friendly reminder that the August 2026 WA State Department of Revenue Excise Tax Return \[…\]

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We’d like to share a timely reminder and updates to help you stay informed and prepared. Here are the latest from the Dept of Revenue, IRS and Dept of Labor.

**BUSINESS UPDATES**

**August 2026 Excise Tax Return Reminder**

This is a friendly reminder that the August 2026 WA State Department of Revenue Excise Tax Return is due soon. If you have not already provided your sales information, please send us your August sales information by Friday morning (09/18/26) to ensure timely filing.

**Quarter 4 Local Sales & Use Tax Changes**

Effective October 1, 2026, please check for new tax rate changes for some jurisdictions.

- [Local Sales & Use Tax Rate Quarter 4](https://dor.wa.gov/sites/default/files/2026-08/Q426_LSU-flyer-by-county.pdf)
- [Sales Tax Rate Lookup Tool](https://webgis.dor.wa.gov/taxratelookup/SalesTax.aspx)
- [Tax Rate Lookup Mobile App](https://dor.wa.gov/find-taxes-rates/sales-and-use-tax-rates/mobile-apps)
- [Downloadable Files](https://dor.wa.gov/taxes-rates/sales-use-tax-rates/downloadable-database)

**IRS Online Service Expansion**

[https://www.irs.gov/newsroom/irs-online-services-spotlight-taxpayers-can-get-more-done-online](https://www.irs.gov/newsroom/irs-online-services-spotlight-taxpayers-can-get-more-done-online)

Through IRS online accounts, businesses and taxpayers now can access more self-service options including checking tax balances, making payments, viewing notices, and transcripts, all without calling in.

**Required Training and Orientation Must Be Paid**

[https://www.dol.gov/newsroom/releases/whd/whd20260810](https://www.dol.gov/newsroom/releases/whd/whd20260810)

The Department of Labor continues to focus on ensuring employees are paid for all the time they are required to work including mandatory training, orientation, and meetings. We encourage employers to review their timekeeping practices to make sure employees are being paid for all required work-related activities.

**INDIVIDUAL TAX UPDATES**

**2026 IRS Interest Rates**

[https://www.irs.gov/newsroom/interest-rates-remain-the-same-for-the-fourth-quarter-of-2026](https://www.irs.gov/newsroom/interest-rates-remain-the-same-for-the-fourth-quarter-of-2026)

The IRS determines the interest rate on unpaid taxes every quarter. For October 2026 to December 2026, the rate for individual taxpayers is 7% that applies to both underpayments and overpayments of federal taxes. If you have any outstanding balance with the IRS, the interest rate may affect the amount owed.

If you have any questions or need assistance, please don’t hesitate to contact us. We’re always happy to help.

Thank you for your continued trust in our team.

Warm regards,

ALISA NA CPAs & Advisors