Micro-purchase means a purchase of supplies or services, the aggregate amount of which does not exceed the micro-purchase threshold. Micro-purchases comprise a subset of a non-Federal entity's small purchases as defined in 200.320.
2 CFR § 200.1
These are the definitions for terms used in this part. Different definitions may be found in Federal statutes or regulations that apply more specifically to particular programs or activities. These definitions could be supplemented by additional instructional information provided in governmentwide standard information collections. For purposes of this part, the following definitions apply: