Was the tax on this invoice right?

Enter one software invoice and where your people are. Avoir tags each line, holds it to the state’s rules, and shows what’s claimable — refund, use tax owed elsewhere, and net — with the letter to send. The sample is loaded; change anything.

1. The invoice

Your biggest software or AI vendor is the best place to start. Amounts are before tax.

2. Where your people are

Software is taxed where it’s used. A rough count from payroll is enough.

Checked on your device. Nothing is uploaded.

Or scan a whole export

Uses the headcount above.