1120 Idaho electronic filing information
State contact information
If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
State Tax Commission
800 Park Blvd., Plaza IV
Boise, ID 83722-0410
Phone
: 208-334-7781 Boise area: (208) 334-7660; toll free: (800) 972-7660; Hearing Impaired callers: (800) 377-3529State electronic filing details
E-filing information | Details |
|---|---|
Grace period | 10 days |
E-filing mandate | No |
Accepts state-only filings | Yes |
Return types accepted | C Corporation S Corporation Consolidated / Combined Amended Short year, must match federal dates Composite (part of main return) Withholding (part of main return) Estimates (separate from return) Extension |
Return types not accepted | N/A |
Accepts returns with these conditions | Refund Zero balance Balance due |
Direct deposit of refunds | No |
Accepted forms of payment | Electronic funds transfer (EFT) Direct debit (EFW) Check by mail |
Signature requirements | None |
Supports PDF attachments | Yes |
Tax year(s) supported for e-filing | Current tax year and two prior tax years |
Special considerations | N/A |
