- 26November 26, 1939No events
- 27November 27, 1939No events
- 28November 28, 1939No events
- 29November 29, 1939No events
- 30November 30, 1939No events
- 01December 1, 1939No events
- 02December 2, 1939No 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.