TO AMEND THE LAW CONCERNING MAXIMUM ALLOWABLE COST LISTS RELATING TO PHARMACY SERVICES.
Senate Bill 583 amends the existing law concerning Maximum Allowable Cost (MAC) lists, which are used in determining reimbursement for pharmacy services. The bill increases the penalty for violations related to these lists to $10,000 per violation. Additionally, it clarifies that the private right of action established for such violations does not permit lawsuits against any government, governmental agency, or official. This bill primarily affects pharmacies and the entities that create or utilize MAC lists for prescription drug pricing.
Bill status
signed
all 5 stages cleared
Introduction
Mar 2025
Committee Review
Apr 2025
Senate Passage
Apr 2025
House Passage
Apr 2025
Signed into Law
Apr 2025
Introduced Mar 31, 2025
Signed Apr 23, 2025
Maddy AI version diff · 1 comparison
What changed between versions
Act 990
→
SB 583
·
3 edits
MINOR
The bill text was reformatted from Act 990 to SB 583, removing the Act 990 header and signature line while updating the document metadata to reflect the 95th General Assembly and 2025 session. The substantive legal content regarding private rights of action for pharmacy-related violations remains unchanged.
TECHNICAL
Removed the 'Act 990 of the Regular Session' header and signature line from the original bill text.
Added new document metadata indicating this is SB 583 from the 95th General Assembly, Regular Session 2025, with an engrossment date of 4/3/25.
Reformatted line numbers and spacing to match the new SB 583 document structure while preserving all substantive legal language.
Floor votes
How they voted
This bill passed the Senate by voice vote (no roll call recorded).
Full legislative history
Actions timeline
Total actions
18
Key actions
7
Committee
2
Apr 23, 2025
Signed into law
Notification that SB583 is now Act 990
upper
Apr 15, 2025
Upper · Passed
Returned from the House as passed.
upper
Apr 15, 2025
Lower · Passed
Returned to the Senate as passed.
lower
Apr 15, 2025
Lower · Passed
Read the third time and passed and ordered transmitted to the Senate.
lower
Apr 14, 2025
Lower · Passed
Returned by the Committee Do Pass
lower
Apr 7, 2025
Upper · Passed
Read the third time and passed.
upper
Apr 2, 2025
Upper · Passed
Returned by the Committee with the recommendation that it Do Pass as amended, Amendment # 1
upper
Mar 31, 2025
Introduced
Filed
upper
2 primary · 0 co-sponsors
Sponsors
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