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Important Due Dates

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April 23 - April 29
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  • 23
    April 23, 4913
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    April 24, 4913
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    April 25, 4913
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    April 26, 4913
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    April 27, 4913
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    April 28, 4913
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  • 29
    April 29, 4913
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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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