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Important Due Dates

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February 15 - February 21
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    February 15, 4128
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    February 16, 4128
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    February 17, 4128
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    February 21, 4128
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A=ANNUAL

M=MONTHLY

Q=QUARTERLY

 

DISCLAIMER: THESE DUE DATES ARE SUBJECT TO CHANGE. WE WILL DO OUR BEST TO KEEP THIS CALENDAR UP TO DATE WITH THE EVERCHANGING DEADLINES. ANY STATE FILING DUE DATES ARE IN REFERENCE SPECIFICALLY TO THE WASHINGTON STATE DEPARTMENT OF REVENUE.

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