SB 559, the American Investment in Manufacturing and Main Street Act (AIMM Act), would amend the Internal Revenue Code to permanently extend a tax treatment used in calculating the business interest deduction limitation under section 163(j). Specifically, it would continue allowing depreciation, amortization, and depletion to be added back when determining adjusted taxable income for purposes of the business interest cap. The bill removes the current sunset that limits this treatment to taxable years beginning before January 1, 2022, and makes the change effective for taxable years beginning after December 31, 2021.
In practical terms, the bill would make it easier for certain businesses to deduct interest expense by increasing the income base used in the limitation calculation. The measure is framed as a pro-investment, pro-manufacturing, and pro-small-business tax change, and it would affect businesses with significant capital costs, debt financing, or depreciation-heavy operations. Because it amends the Internal Revenue Code, its impact is federal tax policy rather than state law, though it could indirectly influence business investment decisions and tax planning nationwide.
Impact
The bill would amend section 163(j) of the Internal Revenue Code of 1986 by permanently restoring the add-back for depreciation, amortization, and depletion in computing adjusted taxable income for the business interest limitation. This would effectively preserve a more favorable interest deduction calculation for affected taxpayers on a permanent basis, rather than allowing the prior temporary rule to expire. The change would apply retroactively to taxable years beginning after December 31, 2021, potentially affecting amended returns or tax positions for businesses subject to the limitation.
Sentiment
Based on the bill title and framing, the overall sentiment appears supportive of business investment, manufacturing, and Main Street employers. The bill was introduced and referred to the Senate Committee on Finance without recorded votes or committee debate in the provided materials, so there is no documented opposition or amendment activity in the record supplied. The available context suggests the measure is presented as a tax relief and competitiveness bill rather than a controversial policy change.
Contention
The main policy issue likely to generate contention is whether permanently extending the depreciation, amortization, and depletion add-back is an appropriate tax preference for businesses, especially because it reduces the restrictiveness of the business interest limitation. Supporters would likely emphasize investment, manufacturing, and small-business benefits, while critics could argue it narrows the tax base and favors leveraged or capital-intensive firms. No specific objections, sponsors, or opposing stakeholders are identified in the provided committee or vote history.