Does Montana require state 1099 tax filing?
Yes, Montana requires Forms 1099-MISC and 1099-R to be filed with the Montana Department of Revenue.
Does Montana participate in Combined Federal/State Filing?
Yes, Montana participates in Combined Federal/State Filing. If you utilize CF/SF when filing your 1099s, the IRS will forward the information to the Montana Department of Revenue and you will not have to do so yourself.