Kentucky: corporate income tax, franchise tax unconfirmed and an annual report required.
Each fact below cites the agency page we read and the day we read it. Where a rule is still being confirmed, the page says so instead of showing a zero.
Verified facts
Corporate income tax
Yes
Corporation income tax, Form 720; flat 5% for tax years beginning on or after January 1, 2018 (brackets replaced).
Franchise or privilege
Not verified
No tax called franchise tax; the Limited Liability Entity Tax (LLET) applies to businesses protected from liability (corporations, LLCs, S-corporations, limited partnerships) - the lesser of 0.095% of Kentucky gross receipts or 0.75% of Kentucky gross profits above $6 million, a sliding scale…
Not verifiedEntity annual report
Yes
Annual report to the Secretary of State by June 30 each year, filed between January 1 and June 30, $15 fee; failure by a domestic entity leads to administrative dissolution.
Return due date
Published rule
Form 720 must be filed and payment made on or before the 15th day of the fourth month after the close of the taxable year (April 15 for calendar year; next business day if a weekend or holiday; KRS 141.160, KRS 141.220, 103 KAR 15:050). Same formula for fiscal years.
Extension
Not verified
7-month extension to file via Form 720EXT (or the federal extension with a copy of Form 7004 attached). It does NOT extend the time to pay - "An extension of time to file a return does not extend the due date for payment of tax."
Not verifiedZero activity / minimum tax
Not verified
Not verified
Long-form guide in professional review
Dates, extensions and payments
Filing and payment dates stay separate wherever the source supports it.
- Filing
Return filing
Form 720 must be filed and payment made on or before the 15th day of the fourth month after the close of the taxable year (April 15 for calendar year; next business day if a weekend or holiday; KRS 141.160, KRS 141.220, 103 KAR 15:050). Same formula for fiscal years.
- Entity report
Entity report
Annual report to the Secretary of State by June 30 each year, filed between January 1 and June 30, $15 fee; failure by a domestic entity leads to administrative dissolution.
Email me the Kentucky guide
We send you this page with its sources, and we tell you if a date changes.
Frequently asked questions
Does Kentucky impose a corporate income tax?
Yes. The state agency publishes the applicable rate.
When is the Kentucky corporate return due?
Form 720 must be filed and payment made on or before the 15th day of the fourth month after the close of the taxable year (April 15 for calendar year; next business day if a weekend or holiday; KRS 141.160, KRS 141.220, 103 KAR 15:050). Same formula for fiscal years.
Does an extension also postpone the tax payment?
No. The extension moves the filing date, not the payment date; unpaid tax can accrue penalty and interest.
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