Transparency in Coverage Rule
The Transparency in Coverage Rule was issued in 2020 by the U.S. Department of Health & Human Services, U.S. Department of Labor and U.S. Department of the Treasury and enforced beginning 7/1/22, requires health plans (which includes clients who sponsor employee benefit plans) and health insurance issuers to publish two separate MRFs (machine readable files).
https://www.cigna.com/legal/compliance/machine-readable-files