Specifications include, but are not limited to: The Texas Comptroller of Public Accounts (“Comptroller”) issues this Request for Proposals No. 219m (the “RFP”) to solicit proposals from qualified recovery audit firms to conduct overpayment recovery audit services for payments made by the State of Texas (“State”) to its vendors. Successful Respondent shall be proficient in performing payment error risk assessments, detecting overpayment errors, utilizing efficient methods for overpayment error detection, handling large volumes of data, understanding control systems and weaknesses, understanding automated purchasing, payables, and accounting systems, reviewing contracts, audit report writing, overpayment recovery, and project administration and management.