This directive is available on the Internet directly from the DLA Publishing System site and may be downloaded in full text or by Part number. From the effective date of DLAD Revision 5, the Directive will be continually updated on this site as changes occur. The Defense Logistics Acquisition Directive (DLAD) 4105.1 is issued by the Executive Director, Procurement Management, by authority of the Director, Defense Logistics Agency (DLA). It implements and supplements the Federal Acquisition Regulation (FAR), the Defense FAR Supplement (DFARS) and other Department of Defense publications and, pursuant to FAR 1.304, establishes DLA procedures relating to the acquisition of supplies and services under the authority of Chapter 137, Title 10 of the United States Code, or other statutory authority. This DLAD is not a stand alone document and must be read in conjunction with the FAR and DFARS. This directive is applicable to the contracting function at all DLA activities, but is not applicable to the performance of field contract administration assigned to Defense Contract Management Command (DCMC). Minor editorial changes have been made for various reasons. Additions are shown in bold and italics.