scope:

APPLICABILITY

a. This NASA Policy Directive (NPD) is applicable to NASA Headquarters (HQ) and NASA Centers, including Component Facilities and Technical and Service Support Centers. This directive is applicable to other contractors, recipients of grants or cooperative agreements, or parties to agreements only to the extent specified in contracts, grants, or cooperative agreement, or other agreements.

b. In this NPD, all mandatory actions (i.e., requirements) are denoted by statement 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.

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