New Mexico Could Backslide If It Decouples From Pro-Growth Tax Policy

Why It Matters

The legislation threatens New Mexico’s ability to attract and retain corporate investment, potentially eroding job growth and state revenue while putting multinationals at a competitive disadvantage.

Key Takeaways

• SB151 removes state conformity with 100% bonus depreciation.
• Bill adds net CFC‑tested income to NM corporate tax base.
• No foreign tax credit causes double taxation of overseas earnings.
• Potential capital investment slowdown and job growth decline.
• NM could fall behind states retaining pro‑growth tax policies.

Pulse Analysis

The One Big Beautiful Bill Act (OBBBA) introduced full expensing, allowing firms to deduct the entire cost of qualifying equipment in the year of purchase. This 100% bonus depreciation aligns state tax codes with federal incentives, encouraging rapid capital deployment, boosting productivity, and fostering higher wages. States that maintain conformity benefit from a predictable, investment‑friendly environment, which can be a decisive factor for businesses evaluating location choices.

At the federal level, the shift from GILTI to net CFC‑tested income (NCTI) aims to curb profit shifting, but it also introduces complexity for state tax systems. New Mexico’s decision to tax NCTI without offering a foreign‑tax credit creates true double taxation, penalizing multinationals that already face taxes abroad. Companies may respond by restructuring operations, reallocating sales, or moving intangible assets to lower‑tax jurisdictions, thereby diminishing the state’s future tax base and undermining its appeal to high‑growth firms.

In the broader competitive landscape, New Mexico sits near the median in the Tax Foundation’s 2026 State Tax Competitiveness Index, yet SB 151 could push it toward the lower end. Neighboring states that retain bonus depreciation and avoid taxing foreign‑source income are likely to attract the innovative enterprises New Mexico seeks. Policymakers would be better served by preserving pro‑growth tax provisions and disengaging from NCTI, ensuring the state remains a viable destination for investment and talent in the coming decade.