Question: In some of the states where we have sales tax nexus, we don’t always make any sales in a given year. Do we still have to file a state tax return?

A: It's an easy mistake to make, says state tax specialist LumaTax and many new small business owners fall victim to this assumption. But in most states, you still have to file taxes on the regular filing schedule, even when you haven't sold anything since the last time you filed. By requiring businesses to file regardless…