Delaware tax forms
- CIT-DCP: Corporate Decoupling Adjustment Form
- CIT-EST: Corporate Tentative Income Tax Return (2025 tax period)
- CIT-EXM: Holding Company Corporate Income Tax Exemption Application
- CIT-EXT: Corporate Request for Extension
- CIT-HIC: Holding/Investment Company Information Return
- CIT-NOL: Corporate Net Operating Loss Worksheet
- CIT-SCH: Corporate Schedule of Non-Business Income/Loss
- CIT-TAX: Corporate Income Tax Return
- CIT-VCH: Corporate Electronic Filer Payment Voucher
- CMP-EST: Composite Estimated Income Tax Voucher (2026 installments)
- CMP-EXT: Composite Return Extension
- CMP-SCH: Composite Income Tax Schedule
- CMP-TAX: Composite Return
- CMP-VCH: Composite Electronic Payment Voucher
- FID-BEN: Fiduciary Schedule K-1
- FID-EST: Quarterly Declaration Estimated Tax (2026 installments)
- FID-EXT: Declaration of Estimated Tax Return Extension
- FID-TAX: Fiduciary Income Tax Return
- FID-VCH: Fiduciary Electronic Filer Payment Voucher
- HMC-TAX: Headquarters Management Corporation Tax Return
- PIT-EST: Estimated Income Tax Voucher (2026 installments)
- PIT-EXT: Extension Request Voucher
- PIT-NNS: Non-Resident Income Tax Form Schedule
- PIT-NON: Non-Resident and Amended Income Tax Form
- PIT-NSA: Non-Resident Schedule A Form
- PIT-NSW: Non-Resident Schedule A Worksheet
- PIT-REQ: Request for Change
- PIT-RES: Resident and Amended Income Tax Form
- PIT-RSA: Resident Schedule A Form
- PIT-RSS: Resident Income Tax Form Schedule
- PIT-RSW: Resident Schedule A Worksheet
- PIT-SCW: Schedule W Apportionment Worksheet
- PIT-STC: Special Tax Computation for Qualified Retirement Plan Distribution
- PIT-UND: Underpayment of Estimated Taxes
- PIT-VCH: Individual Electronic Filer Payment Voucher
- PRT-EXT: Partnership Return Extension
- PRT-PSI: Partnership Schedule K-1, Partner Share of Income
- PRT-RTN: Delaware Partnership Return
- PRT-VCH: Partnership Electronic Payment Voucher
- SCT-EXT: S Corporation Request for Extension
- SCT-RTN: S Corporation Reconciliation and Shareholders Return
- SCT-SSA: S Corporation Reconciliation Shareholders Schedule A
- SCT-SSR: S Corporation Shareholders Information Return
- SCT-TAX: S Corporation Personal Income Tax Return (2024)
- SCT-VCH: S Corporation Electronic Filer Payment Voucher