41 CFR § 105-68.505
Who uses the EPLS?
June 9, 2020
(a) Federal agency officials use the EPLS to determine whether to enter into a transaction with a person, as required under §105-68.430.
(b) Participants also may, but are not required to, use the EPLS to determine if—
(1) Principals of their transactions are excluded or disqualified, as required under §105-68.320; or
(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.