Acquisition Business Service (ABS) provides document compliance review services to support the Executive Director of the Office of Acquisition Operations (OAO).  Any (contract file) document requiring higher level signature approval from the OAO Executive Director (Head of Contracting Activity, Executive Director, Competition Advocate, Deputy Senior Procurement Executive), is reviewed by ABS to ensure regulatory compliance.  Document types include:  Justification & Approvals (J&As), Limited Source Justifications, Ratifications (VA-wide), Acquisition Plans, Determinations & Findings, Mistakes in Bid, and Unsolicited Proposals.  In addition, ABS conducts reviews of Office of Management and Budget (OMB)/Office of Federal Procurement Policy decisions, FAR Cases, Proposed Legislation, OMB Business Cases, internal VA Documents-including Directives and Handbooks, and Congressional Testimony transcripts.