Quarterly Due Dates

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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 1.12.070 (3) (www.leg.wa.gov) 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 for calculate the penalty and interest of filing late.

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