This refers to the budget for the contract duly approved by the Head of the Procuring Entity, as provided for in the General Appropriations Act (GAA), continuing, and automatic appropriations, in the case of national government agencies (NGAs); the corporate budget for the contract approved by the governing board, pursuant to Executive Order (E.O). No. 518, s. 1979, in the case of GOCCs and GFIs, and R.A. 8292 in the case of SUCs; the budget approved by the Sanggunian through an appropriations ordinance in the case of LGUs. For multi-year contracts, for which a Multi-Year Obligational Authority (MYOA) or an equivalent document is required, the ABC shall be that incorporated in the project cost reflected in the MYOA or equivalent document.