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House Bill 255 modifies Delaware's tax code, allowing businesses to expense research costs and decoupling from federal rules, boosting investment and economic growth.
House Bill 255 modifies Delaware's tax code, allowing businesses to expense research costs and decoupling from federal rules, boosting investment and economic growth.
Bill Number: HB 255
Title: An Act to Amend Title 30 of the Delaware Code Relating to Corporate and Personal Income Tax
Status: Reported Out of Committee (Administration) in House with 3 On Its Merits
Introduced: November 05, 2025
Sponsors:
- Rep. Kerri Evelyn Harris
- Sen. Bryan Townsend
- Rep. Edward S. Osienski
- Additional sponsors include various representatives and senators from Delaware.
House Bill 255 aims to amend Delaware's corporate and personal income tax laws by decoupling certain provisions from the federal "One Big Beautiful Bill Act" (OBBBA). This legislative action is intended to modify the timing of deductions related to depreciation and expensing of business property, ensuring that Delaware's tax code remains favorable for businesses operating within the state.
The bill includes several significant changes to the Delaware tax code:
Continued Expensing for Research and Experimental Expenditures:
Decoupling from Full Expensing Provisions:
Decoupling from Special Depreciation Allowance:
Decoupling from Full Expensing for Business Property:
Decoupling from Special Depreciation for Qualified Production Property:
Effective Dates:
Severability Clause: The bill includes a severability clause, ensuring that if any provision is found invalid, the remaining provisions will still be enforceable.
House Bill 255 represents a strategic adjustment to Delaware's tax code, aimed at maintaining a competitive environment for businesses while aligning state tax policy with the needs of local corporations and individuals. The decoupling from certain federal provisions allows for continued support of research and production activities, which are vital for economic growth in Delaware.
Compiled from official sources — confirm details with the bill’s official record.
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