N.Y. Comp. Codes R. & Regs. tit. 12, § 440.2
(j) Pharmacy benefit management means the services provided to a self-insured employer or insurance carrier, directly or through another entity, including:
(3) the administration or management of prescription medicine or drug benefits, including, but not limited to, any of the following:
(l) Pharmacy chain means any entity that has been designated by a carrier or self-insured employer under section 440.3(a) of this Part that is: