If FAR Part 13, simplified acquisition is used, then a contracting officer can select from a range of processes including Government Purchase Card (GPC) for purchases under the micro-purchase threshold (see definition section of FAR for current value (for example, in U.S., it is currently $2,500), simplified acquisition threshold (see FAR definition section, currently up to $150,000 within the U.S. with certain exceptions), or up to $6.5M for commercial items/services. Under FAR Part 13, contracting officers are not required to use FAR Part 15 processes or follow the publication requirements of FAR Part 5, however they MUST create their own processes to follow.