Delaware law

Tax Laws in Delaware.

Delaware tax disputes can involve audits, assessments, individual and corporate income tax, gross receipts tax, franchise tax (for Delaware-incorporated entities), and employer withholding. Delaware state-tax analysis runs through the Delaware Division of Revenue, with administrative review and judicial review in the Superior Court.

Last verified: 2026-04-17

State law

Statute of Limitations

Varies by tax type and notice; administrative deadlines are often short30 Del. C.

Delaware tax disputes do not run on a single universal deadline. The timing depends on the type of tax, the notice or order issued, and the procedural path chosen in response.

State law

Filing Requirements

Preserve Every Revenue Notice

Delaware tax disputes are deadline-sensitive. Audit letters, assessment notices, refund denials, and collection correspondence should be preserved and reviewed immediately.

State law

Key Delaware Statutes

Delaware Revenue Code30 Del. C.

Title 30 covers Delaware state taxation, including personal and corporate income tax, gross receipts tax, franchise tax, and procedural rules for assessments, refunds, and enforcement.

State law

Official Sources

Delaware Division of Revenue Delaware Code Online

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Delaware.

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Tax Laws in Delaware.

Statute of Limitations

Filing Requirements

Key Delaware Statutes

Official Sources

Not Legal Advice

Move from state law into guided help or attorney search.

Other state law topics.