S 4323 119th Congress
Ensuring Access to Lower-Cost Medicines for Seniors Act
A bill to amend title XVIII of the Social Security Act to require PDP sponsors of a prescription drug plan and Medicare Advantage organizations offering an MA-PD plan under part D of the Medicare program that use a formulary to include certain generic drugs and biosimilar biological products on such formulary, and for other purposes.
Official Title as Introduced Congress.gov
Open official Congress.gov recordSource-linked procedural record
Bill journey
This is a chronology, not a progress score. Politically.com does not classify stages or infer what comes next. Records sharing a date are grouped because not every source field supplies a time.
Congress.gov Recently refreshed
U.S. Senate XML Recently refreshed
-
Introduction Congress.gov
Introduced
Introduced in the Senate.
Open bill recordOfficial action Congress.gov
Read twice and referred to the Committee on Finance.
Open bill recordOfficial action Congress.gov
Introduced in Senate
Open bill recordText version Congress.gov
Introduced in Senate
A dated text-version record is available.
Open text record
View the complete bill journey as an accessible table
| Date and time | Record | Official detail | Source |
|---|---|---|---|
| IntroductionIntroduced | Introduced in the Senate. | Congress.gov | |
| Official actionRead twice and referred to the Committee on Finance. | No additional detail supplied.IntroReferral · Senate | Congress.gov | |
| Official actionIntroduced in Senate | No additional detail supplied.IntroReferral · Library of Congress · Code 10000 | Congress.gov | |
| Text versionIntroduced in Senate | A dated text-version record is available. | Congress.gov |
House roll calls join only on matching Congress, legislation type, and number. Senate roll calls join only on matching source-supplied document type and number, not question text. Committee and related-measure relationships have no date in their relationship records and therefore are counted above but never placed on the chronology.
Congressional Research Service
CRS summary
Ensuring Access to Lower-Cost Medicines for Seniors ActThis bill requires prescription drug plans under the Medicare prescription drug benefit to include generic drugs and biosimilars on their formularies.Specifically, the bill requires plans that use formularies to include generic drugs and biosimilars on the formularies and without any requirements (e.g., prior authorization requirements) that are more restrictive as compared to those for brand-name drugs and biologics. Plans that use cost-sharing tiers must also have specific tiers for generic drugs and biosimilars, in accordance with certain limitations.
Official documents
Text versions
- Introduced in SenateApr 16, 2026