CFR › Title 45 › Part 157Part 157 — Employer Interactions with Exchanges and Shop ParticipationSubpart A — General Provisions§ 157.10— Basis and scope.§ 157.20— Definitions.Subpart C — Standards for Qualified Employers§ 157.200— Eligibility of qualified employers to participate in a SHOP.§ 157.205— Qualified employer participation process in a SHOP for plan years beginning prior to January 1, 2018.§ 157.206— Qualified employer participation process in a SHOP for plan years beginning on or after January 1, 2018.