This is a recommended practice for performing software acquisitions. It describes a set of useful quality practices that can be selected and applied during one or more steps in a software acquisition process. In this recommended practice, software products have been classified according to the degree to which the acquirer may specify the features of the software. They are: commercial-of-the-shelf (COTS), modified-off-the-shelf (MOTS), and fully developed item Revision Standard - Superseded. A set of useful quality practices that can be selected and applied during one or more steps in a software acquisition process is described. This recommended practice can be applied to software that runs on any computer system regardless of the size, complexity, or criticality of the software, but is more suited for use on modified-off-the-shelf software and fully developed software.