The bill amends Massachusetts General Laws, specifically Chapter 126, Section 40, to enhance the reporting requirements for jails and houses of correction in Middlesex County. It introduces a structured overview of the Quarterly Population Report for individual Sheriffs' Offices, mandating the collection and reporting of various data points for each inmate, including demographic information such as race and ethnicity, as well as details on their admission and release status. The reports must be submitted quarterly to designated officials without any identifying information about individual inmates. The bill also includes definitions for key data terms and notes the limitations of Sheriffs' Offices in reporting certain data points that originate from the Trial Court.

Additionally, the bill aims to modernize the approach to inmate data management by replacing outdated legal language with updated standards that reflect current best practices. It emphasizes the importance of accurate record-keeping and reporting practices to enhance transparency and accountability within the criminal justice system. By focusing on demographic data collection and the tracking of earned time credits, the bill seeks to address disparities within the justice system and promote equitable treatment of all individuals. Overall, the legislation is designed to improve oversight of the jail system and inform future policy decisions regarding incarceration practices and rehabilitation efforts.