Rec. 1.a: The DoD OIG recommended that the Under Secretary of Defense (Comptroller)/Chief Financial Officer implement additional internal controls to document and communicate procedures to current and future budget officials across the Department of Defense. Specifically, the DoD OIG recommended that the Under Secretary of Defense (Comptroller)/Chief Financial Officer update the DoD Financial Management Regulation, volume 2A, chapters 1 and 3, to include: 1) recurring instructions from the Budget Estimate Submission guidance and President's Budget guidance that are not unique to a particular year; 2) a guide from the Defense Finance and Accounting Service's payroll system's gross reconciliation codes to the OP-8 and OP-32 budget exhibit line items and personnel categories; 3) further clarification for calculating full-time equivalents and straight-time hours worked; and 4) a requirement to include variable costs in the Services' and Defense agencies' budget requests.