The Secretary adopts the following standards for the Medicaid pharmacy subrogation transaction:

1. (a) For the period from January 1, 2012 through August 14, 2027—The NCPDP Batch Standard Medicaid Subrogation Implementation Guide, Version 3.0, July 2007 (incorporated by reference at § 162.920).

2. (b) For the period from August 14, 2027 through April 14, 2028—

   1. (1) The standards identified in paragraph (a) of this section; and
   2. (2) The NCPDP Subrogation Implementation Guide for Batch Standard, Version 10, September 2019 (incorporated by reference at § 162.920).
3. (c) For the period on and after April 14, 2028, the standard identified in paragraph (b) of this section.

[89 FR 100789, Dec. 13, 2024, as amended at 90 FR 40749, Aug. 21, 2025]