- 12January 12, 1896No events
- 13January 13, 1896No events
- 14January 14, 1896No events
- 15January 15, 1896No events
- 16January 16, 1896No events
- 17January 17, 1896No events
- 18January 18, 1896No 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.