The contracting officer shall insert the clause at 970.5231-4, Preexisting Conditions, in all management and operating contracts.

(a) The contracting officer shall include the clause with its Alternate I in contracts with incumbent management and operating contractors.

(b) The contracting officer shall include the clause with its Alternate II in contracts with management and operating contractors not previously working at that particular site or facility.

[65 FR 81009, Dec. 22, 2000, as amended at 74 FR 36373, July 22, 2009]