; (3) includes a Major IT Business Case under the requirements established by the Office of Management and Budget Exhibit 300; (4) complies with the acquisition rules, requirements, guidelines, and systems acquisition management practices of the Government; (5) complies with all Office of Management and Budget, Department of Homeland Security and National Institute of Standards and Technology requirements related to securing the agency’s information system as described in 44 U.S.C. 3554 ; and (6) is reviewed and commented upon within 60 days of plan development by the Inspector General of the Office of Personnel Management, and such comments are submitted to the Director of the Office of Personnel Management before the date of such submission: Provided further , That of the total amount made available under this heading, $639,018 may be made available for strengthening the capacity and capabilities of the acquisition workforce (as defined by the Office of Federal Procurement Policy Act, as amended ( 41 U.S.C. 4001 et seq.)), including the recruitment, hiring, training, and retention of such workforce and information technology in support of acquisition workforce effectiveness or for management solutions to improve acquisition management