1. Short title This Act may be cited as the Strengthening Behavioral Health Parity Act . 2. Strengthening parity in mental health and substance use disorder benefits (a) PHSA (1) In general Title XXVII of the Public Health Service Act ( 42 U.S.C. 300gg–11 et seq.) is amended by adding at the end the following new part: D Additional Coverage Provisions 2799A–1. Parity in mental health and substance use disorder benefits (a) In General (1) Aggregate lifetime limits In the case of a group health plan or a health insurance issuer offering group or individual health insurance coverage that provides both medical and surgical benefits and mental health or substance use disorder benefits— (A) No lifetime limit If the plan or coverage does not include an aggregate lifetime limit on substantially all medical and surgical benefits, the plan or coverage may not impose any aggregate lifetime limit on mental health or substance use disorder benefits. (B) Lifetime limit If the plan or coverage includes an aggregate lifetime limit on substantially all medical and surgical benefits (in this paragraph referred to as the applicable lifetime limit ), the plan or coverage shall either— (i) apply the applicable lifetime limit both to the medical and surgical benefits to which it otherwise would apply and to mental health and substance use disorder benefits and not distinguish in the application of such limit between such medical and surgical benefits and mental health and substance use disorder benefits