No action shall be brought by the State for the collection of inheritance taxes and estate taxes upon the estate of any decedent after the expiration of 20 years from the decedent's date of death.61 Del. Laws, c. 439, § 1;
Delaware Legal Code
§ 8129
Delaware Title 10 — Delaware law
Source: https://delcode.delaware.gov/title10/c081/index.html· Version 2026