29 C.F.R. § 1471.505 – Who uses the EPLS?

(a) Federal agency officials use the EPLS to determine whether to enter into a transaction with a person, as required under § 1471.430.
(b) Participants also may, but are not required to, use the EPLS to determine if—
1. (1) Principals of their transactions are excluded or disqualified, as required under § 1471.320; or
2. (2) Persons with whom they are entering into covered transactions at the next lower tier are excluded or disqualified.
(c) The EPLS is available to the general public.