The Department of the Auditor General is the chief auditor of the state’s fiscal affairs. The Department is responsible for ensuring that the Commonwealth receives all moneys to which it is entitled, that public money is spent legally and properly, and that publicly-funded programs are operating efficiently and effectively. The Auditor General adjusts claims against the Commonwealth, examines tax settlements made by the Revenue Department, and oversees the examination of financial transactions involving the state. Further duties include the audit of state agencies, distribution to municipal pension plans, annual audits of financial statements, special or performance audits, and approval of determination of corporate tax liability.

The publications of the Department of the Auditor General contain annual reports, financial audit reports, performance audit reports, status reports, pension audit reports, and other various reports. Selected topics from these publications include the Volunteer Firefighter Relief Associations, pension allocation, commonwealth finances, etc. The bulk of the current material is dated from 1815 to 1920, and from 2014 to present.