- Extension Requests
- Requirements
- Form 4868
- Outside the United States
- Penalties for Late Payment and Late Filing
- Failure-to-pay
- Failure-to-file
- Amended Returns
- Form 1040X
- Where to File
- When to File
- Exceptions for Special Types of Returns
- Processing Claims for Refunds
- Interest on Refund
- Electronic Filing
- Benefits of IRS e-file
- Refunds
- Instant Cash Advance (ICA)
- Offset Against Debts
- Balance Due
- Tax Professional
- Form 8879
- Self-Selected Personal Identification Number (PIN)
- Practitioner PIN
- Form 8453
- Alocation of Refund
- Form 8888
- Direct Deposit
- U.S. Series I Savings Bond Purchases
- Paper Check
- Total Allocation of Refund
- Rejected E-File Returns
- State Returns
- Residency
- Military Personnel
- Format of State Return
- Fraud Awareness