((a)) ** .—** The Comptroller General shall distribute to each agency of the United States a list containing the names of persons found by the Secretary to have breached or violated a representation or stipulation included in a contract under .

((b)) ** .—** Unless the Secretary recommends otherwise, a contract described in may not be awarded to a person named on the list under subsection (a), or to a firm, corporation, partnership, or association in which the person has a controlling interest, until 3 years have elapsed from the date of the determination by the Secretary that a breach or violation occurred.