Delaware Division of Revenue Form Instructions
- cit-est Form CIT-EST — Estimated Corporate Income Tax (2026)
- cit-ext Form CIT-EXT — Application for Automatic Extension of Time to File Corporate Income Tax Return
- cit-tax Form CIT-TAX — Delaware Corporate Income Tax Return
- cit-tax-instructions Instructions for Form CIT-TAX — Corporate Income Tax Return
- de-w4 Form DE-W4 — Delaware Employee Withholding Allowance Certificate
- pit-est Form PIT-EST — Estimated Personal Income Tax (2026)
- pit-est-instructions Instructions for Form PIT-EST — Estimated Personal Income Tax
- pit-ext Form PIT-EXT — Application for Extension of Time to File Personal Income Tax Return
- pit-non Form PIT-NON — Delaware Non-Resident Personal Income Tax Return
- pit-non-instructions Instructions for Form PIT-NON — Non-Resident Personal Income Tax Return
- pit-res Form PIT-RES — Delaware Resident Personal Income Tax Return
- pit-res-instructions Instructions for Form PIT-RES — Resident Personal Income Tax Return
- prt-ext Form PRT-EXT — Partnership Extension
- prt-psi Form PRT-PSI — Partner's Share of Income / Schedule K-1 equivalent
- prt-rtn Form PRT-RTN — Delaware Partnership Return
- prt-rtn-instructions Instructions for Form PRT-RTN — Partnership Return
- rtt-tax Form RTT-TAX — Realty Transfer Tax Return
- rtt-tax-instructions Instructions for Form RTT-TAX — Realty Transfer Tax
- sct-ext Form SCT-EXT — S Corporation Extension of Time to File
- sct-rtn Form SCT-RTN — Delaware S Corporation Reconciliation and Shareholders' Information Return
- sct-rtn-instructions Instructions for Form SCT-RTN — S Corporation Return
- wth-rec Form WTH-REC — Annual Reconciliation of Withholding
- wth-tax Form WTH-TAX — Withholding Tax Return
- wth-tax-instructions Instructions for Form WTH-TAX — Withholding Tax