45 C.F.R. § 155.1040 – Transparency in coverage.

(a) General requirement. The Exchange must collect information relating to coverage transparency as described in § 156.220 of this subtitle from QHP issuers, and from multi-State plans in a time and manner determined by the U.S. Office of Personnel Management.
(b) Use of plain language. The Exchange must determine whether the information required to be submitted and made available under paragraph (a) of this section is provided in plain language.
(c) Transparency of cost-sharing information. The Exchange must monitor whether a QHP issuer has made cost-sharing information available in a timely manner upon the request of an individual as required by § 156.220(d) of this subtitle.