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Bill would let owners deduct interest on qualifying boat loans by adding watercraft to 'passenger vehicle' rules

HB7222 expands Section 163's 'applicable passenger vehicle' definition to cover certain U.S.-assembled recreational motorboats and adds hull-ID reporting, changing who can deduct personal loan interest.

The Brief

HB7222 amends Internal Revenue Code section 163(h)(4)(D) to treat certain watercraft as "applicable passenger vehicles" for purposes of deducting personal loan interest. The bill specifies that an applicable watercraft must be a recreational vessel (per 46 U.S.C. 2101), be a motorboat as defined in 46 C.F.R. §90.10‑23 (fixed as of enactment), have its original use commence with the taxpayer, and have final assembly in the United States.

The bill also requires taxpayers to report a hull identification number on their returns and amends information‑reporting rules in section 6050AA to cover hull numbers.

This change opens the same personal‑loan interest treatment that applies to qualifying motor vehicles to a subset of boats assembled in the U.S., creates new reporting obligations for sellers/transferees under 6050AA, and locks regulatory definitions to their status at enactment. The expansion has practical implications for boat buyers, domestic assemblers, lenders, and the IRS—and produces both revenue and administrative consequences that agencies and industry will need to resolve in guidance.

At a Glance

What It Does

The bill expands the statutory definition of "applicable passenger vehicle" to include certain watercraft, adding an "applicable watercraft" category with three eligibility conditions (original use by taxpayer, recreational vessel status, and motorboat definition per the cited CFR). It requires taxpayers to report a hull identification number on their tax return and updates section 6050AA reporting to include hull numbers.

Who It Affects

Directly affected parties include individuals financing recreational motorboats assembled in the U.S., marine dealers and manufacturers, lenders and brokers who finance boats, and entities subject to section 6050AA information reporting (e.g., sellers of qualifying watercraft). The IRS will also face increased matching and compliance tasks.

Why It Matters

The bill extends an existing tax benefit to a new asset class, potentially boosting demand for domestically assembled boats while increasing federal revenue cost and compliance complexity. Tax professionals and marine industry actors must track new documentation and eligibility rules; agencies will need to issue interpretive guidance.

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What This Bill Actually Does

HB7222 inserts an "applicable watercraft" category into the existing statutory definition of "applicable passenger vehicle" used when determining eligibility to deduct certain personal loan interest under section 163(h). To qualify, a watercraft must meet three conditions spelled out in the amendment: its original use must begin with the taxpayer (ruling out used boats where original use began with a different owner), it must be a recreational vessel as defined in 46 U.S.C. 2101, and it must be a motorboat as defined in the cited Coast Guard regulation as of the bill's enactment.

The statute also mirrors an existing assembly restriction for motor vehicles by excluding any vessel whose final assembly did not occur in the United States.

On documentation, the bill replaces the vehicle identification number requirement with a requirement that taxpayers report the hull identification number (HIN) on their tax return when claiming the deduction for an applicable watercraft. It also amends section 6050AA's reporting rule to include "hull" alongside "vehicle," which pulls sellers and other filers of information returns into the loop and gives the IRS a reporting trail to match against claimed deductions.Procedurally, the text fixes the motorboat definition to the version of 46 C.F.R. §90.10‑23 in effect on enactment and makes the whole package retroactive to indebtedness incurred after December 31, 2024.

That combination—external statutory/regulatory references, an assembly‑in‑the‑U.S. requirement, and the HIN reporting rule—creates a compliance framework that relies on coordination among taxpayers, dealers, lenders, and the IRS. Practically, taxpayers with qualifying new, U.S.‑assembled recreational motorboats will be able to treat acquisition indebtedness for those boats under the same framework that already applies to certain motor vehicles; others (used boats, foreign‑assembled vessels, or boats that do not meet the CFR motorboat definition) remain outside the rule.

The Five Things You Need to Know

1

The bill adds an "applicable watercraft" category that qualifies a boat for the same personal‑loan interest treatment currently available for certain motor vehicles, but only if original use begins with the taxpayer.

2

To qualify, the watercraft must be a recreational vessel per 46 U.S.C. 2101 and a motorboat as defined in 46 C.F.R. §90.10‑23, with that CFR text frozen to the version in effect on the date of enactment.

3

Both the applicable motor vehicle and the new applicable watercraft definitions exclude any unit whose final assembly did not occur in the United States.

4

Taxpayers claiming the deduction must report the hull identification number (HIN) on their tax return; the bill amends section 6050AA to require information reporting that includes the hull number.

5

The amendments apply to indebtedness incurred after December 31, 2024, making the change effectively retroactive to loans taken in 2025 and later years.

Section-by-Section Breakdown

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Section 1

Short title — 'No Tax on Boat Loan Interest Act of 2026'

This is the formal short title; it has no substantive effect on tax administration but signals legislative intent and helps stakeholders identify the measure in communications and guidance.

Section 2(a) — Amendment to 26 U.S.C. §163(h)(4)(D)

Defines 'applicable passenger vehicle' to include 'applicable watercraft'

The amendment creates a three‑part statutory definition of "applicable watercraft": (I) original use must commence with the taxpayer, (II) the vessel must be a recreational vessel under 46 U.S.C. 2101, and (III) it must be a motorboat as defined in the cited Coast Guard regulation. By folding watercraft into the existing statutory category, the bill makes boat acquisition indebtedness eligible for the same interest treatment as qualifying motor vehicles, subject to the same structural eligibility tests (including the U.S. final assembly requirement). Practically, the provision imports external maritime law and a regulatory definition into the tax code, which will require IRS guidance on cross‑reference interpretation.

Section 2(b) — Hull identification number on tax returns

Replaces vehicle ID reporting with hull ID filing for watercraft

The text changes the existing rule that requires a taxpayer to include a vehicle identification number when claiming the vehicle‑related interest rule, substituting a requirement to report the hull identification number (HIN) for applicable watercraft. That creates a discrete taxpayer filing obligation: when claiming the deduction tied to a qualifying watercraft, the HIN must appear on the return to enable IRS matching. The change raises practical questions about where taxpayers obtain and record HINs and how preparers and software vendors will incorporate the field.

2 more sections
Section 2(c) — Conforming amendment to 26 U.S.C. §6050AA

Extends motor‑vehicle information reporting to include hull numbers

Section 6050AA governs certain information returns related to vehicle transfers and contains the fields the filer must supply to the IRS. Inserting "or hull" expands the universe of reportable identifiers to include HINs, effectively obliging parties who currently file under 6050AA to capture and report hull data where applicable. That shifts some compliance burden to sellers, dealers, and potentially brokers of qualifying watercraft, and gives the IRS an additional data feed to verify claimed deductions.

Section 2(d) — Effective date

Applies changes to indebtedness incurred after December 31, 2024

The bill does not operate prospectively from enactment only; instead it applies to indebtedness incurred after the end of 2024. That retroactivity window means loans taken in 2025 (and later) are covered, which could affect tax returns already filed for early 2025 loans and will require taxpayers and preparers to consider potential amendments or adjustments in light of new guidance.

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Who Benefits and Who Bears the Cost

Every bill creates winners and losers. Here's who stands to gain and who bears the cost.

Who Benefits

  • Buyers of new, U.S.‑assembled recreational motorboats: They gain access to the same personal‑loan interest treatment available for qualifying motor vehicles, potentially lowering after‑tax borrowing costs for qualifying purchases.
  • Domestic boat assemblers and manufacturers: Because the statute requires final assembly in the United States, U.S.‑based assembly operations may gain a competitive edge relative to foreign‑assembled boats.
  • Marine dealers and finance brokers: The ability to advertise a tax‑related financing advantage could increase sales and finance activity for qualifying vessels assembled domestically.
  • Tax preparers and accounting firms: New business and advisory opportunities arise from interpreting eligibility, collecting HINs, and amending returns where appropriate.

Who Bears the Cost

  • Federal Treasury (IRS/OMB): Expanding the deduction will reduce federal receipts and increase IRS workload around matching HINs and reviewing claims, creating budgetary and enforcement implications.
  • Dealers, brokers, and private sellers of qualifying boats: The 6050AA amendment expands their information‑reporting obligations to include hull numbers, increasing compliance costs and recordkeeping requirements.
  • Lenders and finance companies specializing in marine loans: Expect additional onboarding and documentation steps (collecting HINs, verifying U.S. final assembly, and coordinating with dealers), raising origination costs.
  • Buyers of foreign‑assembled boats and purchasers of used vessels: These taxpayers receive no new tax benefit and may face a relative disadvantage; buyers seeking the deduction may shift demand toward new, U.S.‑assembled inventory.

Key Issues

The Core Tension

The bill pits a narrow industrial and consumer stimulus—encouraging domestic boat purchases and extending a tax break to boat owners—against administrative complexity and federal revenue loss: lawmakers must choose between incentivizing a specific industry and preserving a simpler, more neutral tax base that avoids special treatment favoring relatively high‑value consumer purchases.

The bill relies on external legal materials (46 U.S.C. 2101 and 46 C.F.R. §90.10‑23 as of enactment) to define eligible watercraft, which simplifies congressional drafting but creates implementation risks. Freezing the CFR definition to the version in effect on the enactment date both locks in a particular regulatory meaning and forecloses future regulatory updates from altering tax eligibility, potentially producing anomalies if Coast Guard definitions change.

The statute's "final assembly in the United States" condition will be administrable in many cases but invites structuring: manufacturers could perform minimal assembly steps stateside to qualify products assembled primarily abroad, prompting definitional disputes and enforcement questions.

Operationally, adding hull identification numbers to tax returns and 6050AA filings introduces new data flows that the IRS must ingest and reconcile. The HIN system is not perfectly analogous to VINs used in motor vehicles; smaller watercraft sometimes lack uniform HIN practices or use different registration numbers at the state level, which may complicate automated matching.

The revenue impact is uncertain: while the change expands eligibility, the pool of qualifying, U.S.‑assembled recreational motorboats is limited, and many boat buyers already claim limited mortgage or business interest treatments instead of this category. Finally, the policy raises equity questions because the benefit is likely to accrue to higher‑income taxpayers who can afford recreational boats, while imposing compliance costs on smaller industry players.

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