New Hampshire 2026 Regular Session

New Hampshire House Bill HB1646

Introduced
12/10/25  

Caption

Creating an off-site infrastructure improvement tax credit for the value of qualified off-site infrastructure improvements constructed or funded by business organizations that directly benefit the public.

Impact

If implemented, HB 1646 would amend the Business Profits Tax (BPT) structure by allowing organizations to offset their tax liabilities with credits linked to their infrastructure contributions. While the bill sets no upper limit on the credit amount relative to the tax liability that can be claimed annually, it includes provisions for any unused credits to be carried forward for up to twenty years. However, the fiscal impact analysis indicates that the bill could lead to an indeterminable decrease in revenue for the General Fund and Education Trust Fund starting in fiscal year 2028.

Summary

House Bill 1646, introduced for the 2026 session, proposes the establishment of an off-site infrastructure improvement tax credit for business organizations that construct or fund infrastructure improvements benefiting the public. The bill aims to incentivize businesses to engage in infrastructure projects by allowing them to claim a tax credit equating to the value of these qualified improvements, subject to approval by local municipalities. This legislative move is designed to encourage private investment in public infrastructure, potentially leading to enhanced community facilities and increased business engagement in development projects.

Sentiment

The sentiment around HB 1646 appears to be cautiously optimistic. Proponents argue that the tax credit could serve as a significant motivation for businesses to invest in critical infrastructure improvements that benefit the wider public, thereby enhancing community resources. However, there remains concern among some lawmakers about the absence of clear guidelines regarding what constitutes 'qualified improvements,' suggesting that without such clarity, the implementation of the credit could lead to complications in its administration.

Contention

A notable point of contention is the lack of explicit definitions and guidelines within the bill regarding the types of improvements eligible for the tax credit. This ambiguity raises potential challenges for the Department of Revenue Administration in terms of rule adoption and verification of claimed credits. Critics are also concerned that while the bill could relieve municipalities of certain infrastructural financial burdens, it may not sufficiently address whether the benefits will be equitably distributed across different communities.

Companion Bills

No companion bills found.

Previously Filed As

NH HB25

Making appropriations for capital improvements.

NH HB575

Prohibiting offshore wind energy infrastructure.

NH SB286

Creating the New Hampshire office of film and creative media.

NH HB502

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

NH HB601

Relative to causes of action against companies that misstate the impacts of their business on the environment.

NH HB413

Relative to subdivision regulations on the completion of improvements and the regulation of building permits.

NH SB115

Making an appropriation for regional drinking water infrastructure.

NH HB372

Relative to lease agreements of equipment for building or facility improvements.

NH HB71

Prohibiting the school facilities to be used to provide shelter for aliens, relative to department of health and human services contracts, requiring the use of public notices before re-assessment of property values for tax purposes, and relative to construction of a public pier on Hampton Beach and making an appropriation therefor.

NH HB483

Relative to the definition of a scholarship organization for purposes of the education tax credit.

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