Productivity
Check sales tax nexus
Where you have crossed a threshold and what to do about it.
Fill it in
Revenue and transaction counts.
The date matters more than the total.
Including penalties and interest.
Your prompt
Work out where nexus has been triggered. Thresholds differ by state in both amount and measure, and several count transactions rather than revenue, which is how a low-value high-volume seller crosses in a state they never thought about. Find the DATE each threshold was crossed, not just whether. The obligation starts then, and the gap between then and registering is the exposure. Estimate the exposure with penalties and interest, and mention voluntary disclosure, which usually costs less than waiting to be found. Say which states use a rolling twelve months and which use the calendar year. It changes the answer. This is a starting analysis, not tax advice.
Use Check sales tax nexusOpens with everything above already filled in.
Why this works
Several states count transactions rather than revenue, which is how a low-value high-volume seller crosses a threshold in a state they never considered. This finds the date each was crossed, because the obligation starts then and the gap is the exposure.