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A3973 • 2025

Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars

Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars

Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
John T. McDonald III
Last action
2026-05-07
Official status
Assembly Floor Calendar
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars

Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars.

What This Bill Does

  • Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars.

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

  1. 2026-05-07 Assembly

    ADVANCED TO THIRD READING CAL.450

  2. 2026-05-05 Assembly

    REPORTED

  3. 2026-01-07 Assembly

    REFERRED TO WAYS AND MEANS

  4. 2025-06-09 Assembly

    REPORTED REFERRED TO RULES

  5. 2025-06-08 Assembly

    REFERENCE CHANGED TO WAYS AND MEANS

  6. 2025-06-02 Assembly

    AMEND AND RECOMMIT TO INSURANCE

  7. 2025-06-02 Assembly

    PRINT NUMBER 3973A

  8. 2025-01-30 Assembly

    REFERRED TO INSURANCE

Official Summary Text

Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars
Relates to prescription drug formulary coverage for interchangeable biologics and biosimilars.

Current Bill Text

Read the full stored bill text
S T A T E   O F   N E W   Y O R K
        ________________________________________________________________________

                                          3973

                               2025-2026 Regular Sessions

                                  I N  A S S E M B L Y

                                    January 30, 2025
                                       ___________

        Introduced by M. of A. McDONALD -- read once and referred to the Commit-
          tee on Insurance

        AN  ACT  to  amend  the  insurance law, in relation to prescription drug
          formulary coverage for interchangeable biologics and biosimilars

          THE PEOPLE OF THE STATE OF NEW YORK, REPRESENTED IN SENATE AND  ASSEM-
        BLY, DO ENACT AS FOLLOWS:

     1    Section  1.  Paragraph  4  of  subsection (c-1) of section 4903 of the
     2  insurance law, as added by chapter 512 of the laws of 2016,  is  amended
     3  to read as follows:
     4    (4)  The insured is stable on a prescription drug or drugs selected by
     5  their health care professional for the medical condition under consider-
     6  ation, provided that this shall not prevent a utilization  review  agent
     7  from  [requiring  an insured to try an AB-rated generic equivalent prior
     8  to providing coverage for the equivalent brand name prescription drug or
     9  drugs; or]:
    10    (I) REQUIRING AN INSURED TO TRY AN AB-RATED GENERIC EQUIVALENT  OR  AN
    11  INTERCHANGEABLE  BIOLOGICAL  PRODUCT PRIOR TO PROVIDING COVERAGE FOR THE
    12  EQUIVALENT BRAND NAME PRESCRIPTION DRUG OR DRUGS, OR
    13    (II) REQUIRING AN INSURED TO  TRY  A  BIOSIMILAR  PRIOR  TO  PROVIDING
    14  COVERAGE  FOR  THE  BRAND  NAME  PRESCRIPTION  REFERENCE PRODUCT DRUG OR
    15  DRUGS.
    16    § 2. Subparagraph (A) of paragraph 3 of subsection (c) of section 3242
    17  of the insurance law, as added by chapter 99 of the  laws  of  2022,  is
    18  amended to read as follows:
    19    (A)  An  insurer  with  a formulary that includes two or more tiers of
    20  benefits providing for different deductibles, copayments or  coinsurance
    21  applicable  to  prescription  drugs in each tier may move a prescription
    22  drug to a tier with a larger deductible, copayment or coinsurance if  an
    23  AB-rated generic equivalent [or], AN interchangeable biological product,
    24  OR  BIOSIMILAR for such prescription drug is added to  the  formulary at
    25  the same time; PROVIDED THE CHANGE IS NOT APPLICABLE TO AN  INSURED  WHO

         EXPLANATION--Matter in ITALICS (underscored) is new; matter in brackets
                              [ ] is old law to be omitted.
                                                                   LBD03429-02-5
        A. 3973                             2

     1  IS  ALREADY  RECEIVING SUCH PRESCRIPTION DRUG OR HAS BEEN DIAGNOSED WITH
     2  OR PRESENTED WITH A CONDITION ON OR PRIOR TO THE START OF THE PLAN  YEAR
     3  THAT IS TREATED BY SUCH PRESCRIPTION DRUG OR IS A PRESCRIPTION DRUG THAT
     4  IS OR WOULD BE PART OF THE INSURED'S TREATMENT PLAN FOR SUCH CONDITION.
     5    §  3.    Subparagraph  (A) of paragraph 3 of subsection (c) of section
     6  4329 of the insurance law, as added by chapter 99 of the laws  of  2022,
     7  is amended to read as follows:
     8    (A)  A corporation with a formulary that includes two or more tiers of
     9  benefits providing for different deductibles, copayments or  coinsurance
    10  applicable  to  prescription  drugs in each tier may move a prescription
    11  drug to a tier with a larger deductible, copayment or coinsurance if  an
    12  AB-rated generic equivalent [or], AN interchangeable biological product,
    13  OR  BIOSIMILAR  for  such prescription drug is added to the formulary at
    14  the same time; PROVIDED THE CHANGE IS NOT APPLICABLE TO AN  INSURED  WHO
    15  IS  ALREADY  RECEIVING SUCH PRESCRIPTION DRUG OR HAS BEEN DIAGNOSED WITH
    16  OR PRESENTED WITH A CONDITION ON OR PRIOR TO THE START OF THE PLAN  YEAR
    17  THAT IS TREATED BY SUCH PRESCRIPTION DRUG OR IS A PRESCRIPTION DRUG THAT
    18  IS  OR  WOULD BE PART OF THE INSURED'S TREATMENT REGIMEN FOR SUCH CONDI-
    19  TION.
    20    § 4. Subsection (c) of section 3242 of  the  insurance  law, as  added
    21  by chapter 99 of the laws of 2022, is redesignated subsection (d).
    22    §  5. Subsection (c) of section 4329 of the insurance law, as added by
    23  chapter 99 of the laws  of  2022, is redesignated subsection (d).
    24    § 6. This act shall take effect immediately.