subsection (a) of the first section of the Clayton Act ( 15 U.S.C. 12(a) ). . (3) IRC Section 9824 of the Internal Revenue Code of 1986 is amended by adding at the end the following: (b) Protecting health plans network design flexibility (1) In general A group health plan shall not enter into an agreement with a provider, network or association of providers, or other service provider offering access to a network of service providers if such agreement, directly or indirectly— (A) restricts the group health plan from— (i) directing or steering enrollees to other health care providers