Instructions for the 2018 MLR Reporting Year​​ These are the filing instructions for the report to the Secretary required by section 2718 of the Public Health File Form 8963 during each fee year (year You must file Form 8963 by April 17, 2018. How To File MLR form in these instructions are. [PDF] MLR Annual Reporting Form Instructions - CMS. These MLR Form Filing Instructions only apply to the 2018 MLR reporting year and its reporting2, Medical Loss Ratio Reporting Form: Dental Coverage. 3, Part 1 - Summary of Data NOTE: REFER TO MLR INSTRUCTIONS FOR IMPORTANT, 12/31/2018, 03/31/2019. 2, Medical Loss Ratio Reporting Form: Dental Coverage NOTE: REFER TO MLR INSTRUCTIONS FOR IMPORTANT, 12/31/2018, 03/31/2019, 12/31/2018, 03/31/2019 Release of Medical Loss Ratio (MLR) Data Form and Filing Instructions for Contract Year 2018. Guidance for Medicare Advantage (MA) Organization, Cost Plan, Memoranda and other guidance: June 6, 2019: Release of Medical Loss Ratio (MLR) Data Form and Filing Instructions for Contract Year 2018 (PDF); October 25,