102-192.20—How are “must” and “should” used in this part?
In this part—
(a)
“Must” identifies steps that Federal agencies are required to take; and
(b)
“Should” identifies steps that the General Services Administration (GSA) recommends.
Code of Federal Regulations
Note to § 102-192.20
:
In their internal policy statements, agencies may require steps that GSA recommends. However, agencies may not change required steps into non-mandatory recommendations.