Idaho B22B — (10/05) is a form released by the Idaho State Tax Commission. It is a Business Tax Return Form for taxpayers who are required to file the Idaho business income tax. The form is used to report business income and expenses, to calculate the tax due or refund due, and to file the Idaho business income tax return. Types of Idaho B22B — (10/05) include B22B-1 (Idaho Business Income Tax Return, Short Form) and B22B-2 (Idaho Business Income Tax Return, Long Form).