Section 23.506 - Suspension of payments, termination of contract, and debarment and suspension actions(a) After determining in writing that adequate evidence to suspect any of the causes at paragraph (d) of this section exists, the contracting officer may suspend contract payments in accordance with the procedures at 32.503-6(a)(1).(b) After determining in writing that any of the causes at paragraph (d) of this section exists, the contracting officer may terminate the contract for default.(c) Upon initiating action under paragraph (a) or (b) of this section, the contracting officer shall refer the case to the agency suspension and debarment official, in accordance with agency procedures, pursuant to subpart 9.4.(d) The specific causes for suspension of contract payments, termination of a contract for default, or suspension and debarment are- (1) The contractor has failed to comply with the requirements of the clause at 52.223-6, Drug-Free Workplace; or(2) The number of contractor employees convicted of violations of criminal drug statutes occurring in the workplace indicates that the contractor has failed to make a good faith effort to provide a drug-free workplace.(e) A determination under this section to suspend contract payments, terminate a contract for default, or debar or suspend a contractor may be waived by the agency head for a particular contract, in accordance with agency procedures, only if such waiver is necessary to prevent a severe disruption of the agency operation to the detriment of the Federal Government or the general public (see subpart 9.4). The waiver authority of the agency head cannot be delegated.54 FR 4968, Jan. 31, 1989, as amended at 55 FR 21708, May 25, 1990; 61 FR 69292, Dec. 31, 1996