- 12November 12, 1972No events
- 13November 13, 1972No events
- 14November 14, 1972No events
- 15November 15, 1972No events
- 16November 16, 1972No events
- 17November 17, 1972No events
- 18November 18, 1972No 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.