scope:

a. This NASA Policy Directive (NPD) is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers.

b. This Directive applies to Jet Propulsion Laboratory (JPL), a Federally Funded Research and Development Center (FFRDC), other contractors, grant recipients, or parties to agreements to the extent specific or referenced in the appropriate contracts, grants, or agreements.

c. In this directive, all mandatory actions (i.e., requirements) are denoted by statements containing the term "shall." The terms: "may" or "can" denote discretionary privilege or permission, "should" denotes a good practice and is recommended, but not required, "will" denotes expected outcome, and "are" or "is" denote descriptive material.

d. In this directive, all document citations are assumed to be the latest version unless otherwise noted.