Section 154.101 - Basis and scope(a)Basis. This part implements section 2794 of the Public Health Service (PHS) Act.(b)Scope. This part establishes the requirements for health insurance issuers offering health insurance coverage in the small group or individual markets to report information concerning unreasonable rate increases to the Centers for Medicare & Medicaid Services (CMS). This part further establishes the process by which it will be determined whether the rate increases are unreasonable rate increases as defined in this part.