The contracting officer shall comply with the procedures of FAR 23.506 regarding the suspension of contract payments, the termination of the contract for default, and debarment and suspension of a contractor relative to failure to comply with the clause at 1852.223–74. Causes for suspension of contract payments, termination of the contract for default, and debarment and suspension of the contractor are the following:

(a) The contractor fails to comply with paragraph (b), (c), or (d) of the clause at 1852.223–74; or

(b) Such a number of contractor employees in sensitive positions having been convicted of violations of criminal drug statutes or substantial evidence of drug or alcohol abuse or misuse occurring in the workplace, as to indicate that the contractor has failed to make a good faith effort to provide a drug- and alcohol-free workforce.