CHIA Regulations (CMR)

Note: Regulations listed on this web page are unofficial. The official version of each regulation is published in the Massachusetts Register, which is available through the State Bookstore.

Regulations by Name

Regulation Name	Description	CMR Number
APCD and Case Mix Data Submission	This regulation governs the reporting requirements regarding health care data and information that health care payers and hospitals must submit in connection with the All-Payer Claims Database (MA APCD) and the Acute Hospital Case Mix Databases.	957 CMR 8.00
Assessment on Acute Hospitals, Ambulatory Surgical Centers, and Pharmacy Benefit Managers	This regulation governs payments to the Center for Health Information & Analysis from certain acute hospitals, ambulatory surgical centers, and pharmacy benefit managers.	957 CMR 3.00
Cost Reporting	This regulation governs the filing requirements for certain providers to report their costs and other data to the Center for Health Information & Analysis.	957 CMR 6.00
Health Care Claims, Case Mix, and Charge Data Release Procedures	This regulation governs the disclosure of certain payer data, hospital Case Mix data, and hospital charge data submitted by health care payers and providers pursuant to M.G.L. c. 12C.	957 CMR 5.00
Health Care Payers Premiums and Claims Data Reporting Requirements	This regulation governs the reporting requirements for private health care payers to submit health care data and information to the Center for Health Information & Analysis in accordance with M.G.L. c. 12C.	957 CMR 10.00
Hospital Financial Data Reporting Requirements	This regulation governs the financial reporting requirements for acute and non-acute hospitals, including hospital cost reports, charge books, and quarterly and annual hospital financial data filings.	957 CMR 9.00
Nursing Facility Cost Reporting	This regulation sets forth the filing requirements, procedures, and time frames for nursing facilities to report their costs and other data to the Center for Health Information & Analysis.	957 CMR 7.00
Payer Data Reporting	This regulation governs the methodology and filing requirements for health care payers to calculate and report health-status-adjusted total medical expenses, relative prices, and alternative payment method information to the Center for Health Information & Analysis.	957 CMR 2.00
Pharmacy Benefit Manager Reporting	This regulation governs the reporting requirements for Pharmacy Benefit Managers to Center for Health Information & Analysis, added to M.G.L. 12C by Chapter 342 of the Acts of 2024.	957 CMR 12.00
Registered Provider Organization Reporting Requirements	This regulation governs the reporting requirements for registered provider organizations (RPOs) to submit data and information in accordance with M.G.L. c. 12C.	957 CMR 11.00
Uniform Provider Reporting of the Standard Quality Measure Set	This regulation governs the establishment of, use of, and uniform reporting requirements for certain health care provider performance measures included in the Standard Quality Measure Set.	957 CMR 4.00

Regulations by CMR Number

Main regulations are in bold, followed by additional relevant updates or materials.

957 CMR 2.00 – Payer Data Reporting (PDF) (effective December 19, 2025)

Administrative Bulletin 23-02 (PDF): Revision of Payer Data Reporting Requirements (effective April 11, 2023)
Administrative Bulletin 21-05 (PDF): Clarification of $50,000 Annual Limit for Fines (effective October 1, 2021)
Administrative Bulletin 21-04 (PDF): Revision of Case Mix and Charge Data file submission guidelines (effective July 30, 2021)
Administrative Bulletin 21-03 (PDF): Revision of Payer Data Reporting Requirements (effective July 22, 2021)
Administrative Bulletin 20-07 (PDF): Revision of Payer Data Reporting Requirements (effective June 25, 2020)
Administrative Bulletin 20-03 (PDF): Revision of Payer Data Reporting Requirements (effective May 4, 2020)
Administrative Bulletin 17-03 (PDF): Revision of Payer Data Reporting Requirements for Total Medical Expense (TME), Relative Price (RP), and Alternative Payment Methods (APM) data (effective May 5, 2017)
Administrative Bulletin 14-02 (PDF): Alternative Payment Methods Insurance Category Reporting (effective January 17, 2014)

957 CMR 3.00 – Assessment on Acute Hospitals, Ambulatory Surgical Centers, and Pharmacy Benefit Managers (PDF) (effective April 10, 2026)

Administrative Bulletin 21-05 (PDF): Clarification of $50,000 Annual Limit for Fines (effective October 1, 2021)
Administrative Bulletin 16-08 (PDF): Revised Reporting Requirement for Gross Patient Service Revenue Data (effective August 31, 2016)

957 CMR 4.00 – Standard Quality Measure Set (PDF) (effective March 13, 2026)

Administrative Bulletin 26-02 (PDF): Notification of the establishment of the Standard Quality Measure Set (effective July 17, 2026)
Administrative Bulletin 16-10 (PDF): Notification, as defined in 957 CMR 4.02, updates to the Standard Quality Measure Set (SQMS) (effective November 18, 2016)
Administrative Bulletin 15-10 (PDF): Updates to the quality measures in the Standard Quality Measure Set (SQMS) (effective November 2, 2015)
Administrative Bulletin 14-09 (PDF): Updates to the Uniform Provider Reporting of the Standard Quality Measure Set (effective November 7, 2014)
Administrative Bulletin 14-07 (PDF): Uniform Provider Reporting of the Standard Quality Measure Set (effective May 15, 2014)
Administrative Bulletin 14-04 (PDF): Uniform Provider Reporting of the Standard Quality Measure Set (effective February 20, 2014)
Administrative Bulletin 13-08 (PDF): Uniform Provider Reporting of the Standard Quality Measure Set (effective October 25, 2013)

957 CMR 5.00 – Health Care Claims, Case Mix and Charge Data Release Procedures (PDF) (effective February 27, 2026)

Administrative Bulletin 17-06 (PDF): All-Payer Claims Data Fee Schedule (effective January 1, 2018)
Administrative Bulletin 17-05 (PDF): Hospital Case Mix and Charge Data Fee Schedule (effective January 1, 2018)
Administrative Bulletin 16-12 (PDF): Notice of a change to the requirements for the release of Data under 957 CMR 5.06, All Other Requests for Data. (effective December 22, 2016)
Administrative Bulletin 16-06 (PDF): Notice of a change in how Massachusetts Acute Hospital Case Mix Databases data is released. (effective June 30, 2016)
Administrative Bulletin 14-01 (PDF): Health Care Claims, Case Mix and Charge Data Release Procedures (effective January 9, 2014)(December 27, 2013)
Data Release Regulation: Comments and Responses (PDF)
Administrative Bulletin 13-09 (PDF): Health Care Claims, Case Mix and Change Data Release (effective November 22, 2013)
Administrative Bulletin 13-05 (PDF): Health Care Claims Data and Reclassification of Data Elements (effective July 19, 2013)

957 CMR 6.00 – Cost Reporting Requirements (PDF) (effective February 27, 2026)

Administrative Bulletin 25-01 (PDF): Cost Reporting Requirements Resident Care Facilities Cost Report Due Dates (effective March 7, 2025)
Administrative Bulletin 24-01 (PDF): Cost Reporting Requirements Resident Care Facilities Cost Report Due Dates (effective February 29, 2024)
Administrative Bulletin 23-05 (PDF): Cost Reporting Requirements Resident Care Facilities Extension of Cost Report Due Dates (effective June 20, 2023)
Administrative Bulletin 23-01 (PDF): Suspension of Community Health Centers Cost Reports for FY2020 and FY2021 (effective February 3, 2023)
Administrative Bulletin 21-01 (PDF): Resident Care Facilities – Extension of Cost Report Due Dates (effective April 9, 2021)
Administrative Bulletin 20-06 (PDF): Group Adult Foster Care Extension of Cost Report Due Dates (effective May 1, 2020, extension until July 30, 2020)
Administrative Bulletin 20-05 (PDF): Ambulance and Chair Car Services Extension of Cost Report Due Dates (effective May 1, 2020, extension until August 3, 2020)
Administrative Bulletin 20-04 (PDF): Community Health Centers Extension of Cost Report Due Dates (effective May 1, 2020, extension until August 3, 2020)

957 CMR 8.00 – APCD and Case Mix Data Submission (PDF) (effective December 19, 2025)

- Administrative Bulletin 25-03 (PDF): All-Payer Claims Database (APCD) and Case Mix Data and Charge Submission (effective May 12, 2025)
- Administrative Bulletin 25-02 (PDF): All-Payer Claims Database (APCD) and Case Mix Data and Charge Submission (effective April 18, 2025)
- Administrative Bulletin 24-04 (PDF): Case Mix Data from Behavioral Health Facilities (effective December 23, 2024)
- Administrative Bulletin 24-03 (PDF): Changes to the Case Mix and Charge Data file submission guidelines (effective May 30, 2024)
- Administrative Bulletin 24-02 (PDF): Submission guidelines relating to the Electronic Health Record Dataset (EHRD) (effective February 29, 2024)
- Administrative Bulletin 23-04 (PDF): All Payer Claims Database (APCD) and Case Mix and Charge Data Submission (effective June 20, 2023)
- Administrative Bulletin 23-03 (PDF): Update to data submission requirements (effective August 1, 2023)
- Administrative Bulletin 22-02 (PDF): Update to data submission requirements (effective August 1 2022)
- Administrative Bulletin 22-01 (PDF): Changes to the Case Mix and Charge Data File Submission Guidelines (effective January 1 2022)
- Administrative Bulletin 21-05 (PDF): Clarification of $50,000 Annual Limit for Fines (effective October 1, 2021)
- Administrative Bulletin 21-04 (PDF): Changes to the Case Mix and Charge Data File Submission Guidelines (effective July 30, 2021)
- Administrative Bulletin 20-11 (PDF): Changes to the Case Mix and Charge Data file submission guidelines (effective December 17 2020)
- Administrative Bulletin 20-10 (PDF): Case Mix and Charge Data submission requirements on the Submittal Schedule (effective November 1, 2020)
- Administrative Bulletin 20-09 (PDF): Changes to the Case Mix and Charge Data file submission guidelines (effective September 25, 2020)

957 CMR 9.00 – Hospital Financial Data Reporting Requirements (PDF) (effective January 16, 2026)

Administrative Bulletin 23-06 (PDF): Information Related to Temporary Staffing Expenses (effective July 14, 2023)
Administrative Bulletin 21-05 (PDF): Clarification of $50,000 Annual Limit for Fines (effective October 1, 2021)
Administrative Bulletin 20-08 (PDF): Hospital Financial Data Reporting Requirements – Information related to COVID-19 relief funding (effective August 31 2020)

957 CMR 10.00 – Health Care Payers Premiums and Claims Data Reporting Requirements (PDF) (effective December 19, 2025)

Administrative Bulletin 21-05 (PDF): Clarification of $50,000 Annual Limit for Fines (effective October 1, 2021)
Administrative Bulletin 16-05 (PDF): Revised Reporting Requirements for Administrative Service Fee Data & Revised Data Submission Manual (effective May 11, 2016)

Public Hearings and Comments

No public hearings are currently scheduled