- 19September 19, 1982No events
- 20September 20, 1982No events
- 21September 21, 1982No events
- 22September 22, 1982No events
- 23September 23, 1982No events
- 24September 24, 1982No events
- 25September 25, 1982No 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.