29 CFR 1471.115: How does an exclusion restrict a person's involvement in covered transactions?

With the exceptions stated in §§ 1471.120, 1471.315, and 1471.420, a person who is excluded by the Federal Mediation and Conciliation Service or any other Federal agency may not:

(a) Be a participant in a(n) FMCS transaction that is a covered transaction under subpart B of this part;

(b) Be a participant in a transaction of any other Federal agency that is a covered transaction under that agency's regulation for debarment and suspension; or

(c) Act as a principal of a person participating in one of those covered transactions.