- 27December 27, 1012No events
- 28December 28, 1012No events
- 29December 29, 1012No events
- 30December 30, 1012No events
- 31December 31, 1012No events
- 01January 1, 1013No events
- 02January 2, 1013No events
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.
