Referred to the House Committee on Ways and Means.
Congressional Research Service
Official summary
Version 00 · Introduced in House · Feb 18, 2025
Cameron's Law
This bill increases the orphan drug tax credit to 50% (from 25%) of qualified clinical testing expenses paid or incurred in the development of drugs to treat certain rare diseases or conditions.
As background, the Tax Cuts and Jobs Act reduced the orphan drug tax credit (for tax years after 2017) to 25% of qualified clinical testing expenses (e.g., wages, supplies, and certain contract expenses) paid or incurred in the development of drugs to treat certain rare diseases or conditions. For 2017 and prior tax years, the orphan tax credit was 50% of such expenses paid or incurred.
No related bills are listed in this snapshot. This does not establish whether the proposal has appeared in earlier Congresses.
Source last updated: Sep 19, 2026. Consult Congress.gov for the current record.
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PlainBill explanation
Read the proposal in plain language
AI-generated · Source-checked by AI · Oct 31, 2026
Based on the full Introduced in House · 2025-02-18 text. This explanation has not received human editorial review. This overview describes the proposal’s major provisions; it does not establish what its real-world effects would be.
What it would do
This proposal would increase the orphan drug tax credit percentage from 25% to 50% for taxpayers eligible for that credit. The change would apply to tax years beginning after enactment.
Check the sources
Restoration of amount of orphan drug tax credit (a) In general Section 45C(a) of the Internal Revenue Code of 1986 is amended by striking 25 percent and inserting 50 percent.
The supplied September 19, 2026 source snapshot records introduction in the House and referral to the House Committee on Ways and Means on February 18, 2025.
Check the source
Source snapshot updated 2026-09-19T23:34:03Z.
2025-02-18: Referred to the House Committee on Ways and Means.
2025-02-18: Introduced in House
Reviewed version: Introduced in House · 2025-02-18. These findings describe provisions and who may benefit; they are not judgments of waste, corruption, or motive.
This review covers the supplied bill text. “None identified” does not rule out provisions in later versions or accompanying reports and disclosures.
Provisions outside the bill’s main subject, or policy changes attached to appropriations.
None identified in the reviewed text
No unrelated provision was identified in the complete supplied introduced text. This conclusion is limited to that version and does not establish absence in other versions or accompanying materials.
Spending directed to particular recipients or places outside ordinary competitive or formula-based allocation.
None identified in the reviewed text
No earmark was identified in the complete supplied introduced text. This conclusion is limited to that version; member disclosures and committee or conference materials were not supplied.
Other targeted benefits
Narrow exceptions, exemptions, or preferential treatment that warrant a closer look.
None identified in the reviewed text
No materially narrow carve-out, special exemption, or preferential exception was identified in the complete supplied introduced text. This conclusion is limited to that version and does not establish absence in other versions or accompanying materials.
What this analysis cannot establish
The existing text of Internal Revenue Code section 45C is not supplied. Eligibility, qualifying expenses, exceptions, and administration of the orphan drug tax credit cannot be explained from this bundle.
The bundle supplies introduced bill text and a limited action snapshot, not evidence establishing enactment. The absence of later actions in this snapshot does not prove the bill never advanced or became law.
Full text preserved for this analysis. Legislative record snapshot: Sep 19, 2026. How PlainBill uses AI