Jonathan AmbarianHELENA (KPAX) — Discussions about a possible state sales tax have been bubbling under the surface in Montana political circles for years. It’s one of the negatives against a sales tax.”Some leaders have also talked about the possibility of creating a local-option sales tax that counties could choose to introduce. In 1971 and 1993, voters overwhelmingly rejected ballot measures to introduce a sales tax. He said the situation is different today, as much of the interest in sales tax comes from concerns about rising property taxes. Story says, for a sales tax to have a real chance of passing, leaders might need to propose additional protections first – like a guarantee that sales tax revenues would be used to offset property taxes.