New Hampshire 2026 Regular Session

New Hampshire House Bill HB1668

Introduced
12/12/25  
Refer
12/12/25  

Caption

Relative to the application of the Internal Revenue Code to provisions of the business profits tax.

Impact

The bill's introduction has been met with mixed reactions among legislators and stakeholders. Supporters contend that moving towards rolling conformity will enhance clarity and efficiency for businesses, providing them with automatic updates to taxation rules consistent with federal changes, reducing the need for continuous legislative adjustments. However, skeptics have raised concerns about depriving the state of flexibility and control over specific tax legislation. They fear that rapid changes at the federal level could lead to unintended consequences for state revenue and fiscal stability.

Summary

House Bill 1668 aims to update New Hampshire's Business Profits Tax (BPT) by aligning its application with the latest version of the Internal Revenue Code as amended, starting with taxable periods on or after January 1, 2027. This change signifies a shift from static conformity, which utilizes the 2018 IRC version, to rolling conformity. Under this new approach, any federal amendments to the IRC would automatically apply in New Hampshire, which proponents argue will simplify tax compliance for businesses operating in the state. The bill also mandates the Commissioner of Revenue Administration to report biennially on relevant changes to the IRC that could impact local tax statutes.

Sentiment

Overall, the sentiment surrounding HB 1668 has been cautious yet understanding of the potential benefits. Advocates have framed it as a modernization effort that keeps New Hampshire businesses competitive in a dynamic economic environment. In contrast, dissenters express apprehension about the implications of relinquishing state authority to federal tax laws, particularly regarding the specifics of deductions and tax credits that are crucial for local enterprises.

Contention

Notable points of contention include the potential for increased administrative burdens on the Department of Revenue as it adapts to more frequent tax law updates. Critics have highlighted the risk of state finances being negatively affected due to indeterminable decreases in revenue as new federal rules take effect. The bill proposes to clarify existing decoupling provisions but raises questions about how these changes will ultimately play out in practice, necessitating ongoing dialogue among policymakers to address concerns and align interests.

Companion Bills

No companion bills found.

Previously Filed As

NH HB502

Relative to complete corporate reporting for unitary businesses under the business profits tax and revenues from the state education property tax.

NH HB318

Relative to the percentage of revenue from the business enterprise tax deposited in the education trust fund.

NH HB255

Increasing the percentage of revenue deposited in the education trust fund from the business profits tax.

NH HB696

Relative to the application of utility property taxes and statewide education property taxes to electric generating facilities.

NH HB406

Relative to the formation of fraudulent businesses.

NH SB153

Relative to expedited driveway permitting of major entrances for residential use of 20 units or greater and the time frame for approval or denial of permit applications.

NH HB135

Relative to the collection of sales taxes of foreign jurisdictions by New Hampshire businesses.

NH HB635

Relative to taxing non-profit entities who settle illegal immigrants as for-profit entities.

NH HB155

Reducing the rate of the business enterprise tax.

NH HB503

Amending how revenues from taxes are allocated to the education trust fund.

Similar Bills

NH HB114

Removing fees and charges for governmental records under the right-to-know law and reinstating potential liability for disclosure of information exempt from disclosure.

NH HB95

Requiring the New Hampshire electric co-op regularly file a certificate of deregulation with the public utilities commission.

NH HB507

Relative to the timeline for credentialing of mental health care providers.

NH HB721

Relative to establishing gold and silver as legal tender.

NH HB721

Relative to establishing gold and silver as legal tender.

NH HB185

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NH SB130

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