We calculate the bentonite production tax rates every year using the formula found in 15-39-101, MCA.
Montana taxes bentonite per ton before crushing and drying.
|Wet Tons Per Year||Tax Per Ton|
Reporting, Paying, and Due Dates
Bentonite Production Tax returns are due twice each year:
- Period ending June 30
- August 14
- Period ending December 31
- February 14
- File and pay using our TransAction Portal (TAP)
- Make an ACH Credit payment