MS| Mississippi Insurance Department Bulletin 2026-3 provides form and rate filing guidance for issuers of single risk pool individual and small group health insurance products and stand-alone dental plans, both on and off the Federally-Facilitated Marketplace, that intend to offer or renew coverage for Plan Year 2027 in Mississippi. It confirms that, consistent with HHS requirements for states with an Effective Rate Review Program, proposed single risk pool rate filings (QHP and non-QHP) must be submitted by a state-selected date no later than July 15, 2026, and sets Mississippis SERFF deadlines at May 13, 2026 for form filings and June 19, 2026 for rate filings, with QHP applications due to CMS via HIOS by July 15, 2026. The bulletin instructs that filings be submitted through SERFF in accordance with MID Bulletin 2011-7 and the 2026 HHS Letter to Issuers, encourages early submissions to avoid compressed review timelines, and warns that delays or slow responses to MID inquiries could prevent completion of state review before the federal HIOS deadline.