Contact Technical Questions

Contact information for questions or help with any technical issues.

Help with E-File or E-Pay

Questions about using TAP? Visit the TAP Help page.

Problem with TAPContact
Can’t register?
Can’t file a return?
Can’t make a payment?
(208) 334‑7660 [Boise]
(800) 972‑7660 [toll‑free]
Too many password attempts?
Authorization code problem?
Can’t upload a file?
(208) 332‑6632 [Boise]

If you need to sign up with ACH Credit and need an Addenda form, see our e-payment services page.

Website Problems

File Not Found or related errors? Email us at

Software Developers

Substitute Forms Help

Learn more on our Software Developers page.