A summary of all changes can be found in the Summary of 2025 Changes document.

General Filing Information

• Participation Requirements – Detailed information to assist in determining if your company is required to submit MCAS data

Resources

• Data Collection Worksheets (Blanks) – Table layout representation of the required data elements
• Data Call and Definitions (Instructions) – Listing of MCAS data elements and definitions to follow when preparing data for submission
• MCAS User Guide – Information about how to use the MCAS application and a listing of data validations used within the application
• CSV Data Upload Instructions – Layout guidelines for preparing a CSV file for uploading to the MCAS application (The use of a CSV file is not required.)
• CSV Assistant Instructions – Guidance for using the CSV Assistance Files
• CSV Assistant Files – Templates to assist in the creation of CSV data files
• Scorecard Ratio Formulas – Listing of standard scorecard ratios calculated for each MCAS lines of business

Additional Information

• FAQ (Frequently Asked Questions) - Contains both technical and definitional information not located in the other Help documents (Located just under the MCAS "Log In" icon) You will find answers to questions regarding:
  • Specific data elements
  • Market Conduct Contact, MCAS Administrator, and MCAS Contact
  • MCAS application
  • Waiver and extension requests
• Participating Jurisdictions Contacts and Scorecards – Provides state MCAS contact information and links to scorecard reports produced each year to show jurisdiction-wide ratio calculations and the distribution of ratios for all companies filing an MCAS in a given jurisdiction. (Located at the top of the page under the MCAS header)

Any questions not addressed by the documents located on this page can be sent to either mcas@naic.org or help@naic.org

MCAS provides market regulators with market conduct information not otherwise available for their market analysis initiatives. Companies report their data to each jurisdiction through the NAIC's on-line MCAS application. For the 2025 data year, MCAS data is collected for the following lines of business:

• Disability Income
• Health
• Homeowners
• Individual Annuity
• Individual Life
• Lender-Placed Auto & Homeowners
• Long-Term Care
• Other Health
• Pet
• Private Flood
• Private Passenger Auto
• Short-Term Limited Duration Health
• Travel 

The Market Analysis Procedures (D) Working Group (MAPWG) is responsible for identifying new MCAS lines of business and promoting uniform analysis by applying consistent measurements and comparisons of MCAS data provided by companies. To follow the Market Analysis Procedures (D) Working Group and their discussions related to new MCAS lines of business, visit their webpage: /cmte_d_mcapwg.htm.

The Market Conduct Annual Statement Blanks (D) Working Group (MCAS Blanks WG) is responsible for the MCAS content and defining the data that is collected. To follow the Market Conduct Annual Statement Blanks (D) Working Group and their discussions related to the content of MCAS lines of business, visit their webpage: /cmte_d_mcaswg.htm.

Please email questions to mcas@naic.org.