Maintain
Maintain or maintenance refers to activities necessary to support the use of a standard adopted by the Secretary, including technical corrections to an implementation specification, and enhancements or expansion of a code set. This term excludes the activities related to the adoption of a new standard or implementation specification, or modification to an adopted standard or implementation specification.
Source
45 CFR § 162.103
Scoping language
For purposes of this part, the following definitions apply: