State resources / ID
Idaho tax and business resources
Official state links for individual filing, forms, business registration, employer reporting, and entity services.
Individuals
Personal Filing
Payments, Refunds, and Online Services
Forms and Instructions
Businesses
Business Registration and State Services
Business Tax and Withholding
Employer Payroll Reporting
Entity Filing and Search
These links open official or agency-designated external resources in a new tab. Requirements and online services may change over time.