Site Alert

Claim & Account Center and Secure Message Center are currently experiencing intermittent slowdowns. We are working to resolve this issue as soon as possible. We apologize for any inconvenience.

Quarterly Due Dates

Quarterly reports are due 4 times each year. Below is a chart that gives you the quarter in which you are reporting, the dates that make up that quarter, and the date that the report and payment is due to L&I.

Due dates for quarterly reporting
Quarter Report period Report & payment due by
1 January 1 through March 31 April 30.
2 April 1 through June 30 July 31.
3 July 1 through September 30 October 31.
4 October 1 through December 31 January 31.
Due date fall on a weekend?
Your report may be postmarked the following business day.
See RCW 51.16.170 ( for more information.

Late payment penalties

  • 1 month overdue: 5% penalty ($10 minimum) + 1% interest of total of premiums.
  • 2 months overdue: 10% penalty + 1% interest of total of premiums.
  • 3 months overdue: 20% penalty + 1% interest of total of premiums.
  • 4 months overdue & thereafter: Additional 1% interest of total of premiums.

Use the Late Payment Calculator to calculate the penalty and interest of filing late.

View the Quarterly Report Sample (F212‑055‑000).

Want a reminder to file your quarterly report?

Join L&I's Quarterly Reporting email list to get a reminder when it's time to file your quarterly report.

End of main content, page footer follows.

Access Washington official state portal

  © Washington State Dept. of Labor & Industries. Use of this site is subject to the laws of the state of Washington.

Help us improve