The Board of Governors of the Federal Reserve System (Board) has revised part II of the Federal Reserve Policy on Payment System Risk (PSR policy) related to the transaction posting times used for measuring balances intraday in institutions' accounts at the Federal Reserve Banks (Reserve Banks) to conform to amendments to regulations governing the use of the Automated Clearing House (ACH) Network by Federal agencies announced by the Department of the Treasury, Bureau of the Fiscal Service (Fiscal Service). Specifically, the amended posting rules conform to the decision of the Fiscal Service to allow Federal agencies to originate and receive same-day entries beginning September 15, 2017.