Section 642.272 - DOSAR contract clauses(a) The contracting officer shall insert a clause substantially the same as the clause at 652.242-70, Contracting Officer's Representative, in solicitations and contracts when appointment of a contracting officer's representative is anticipated.(b) The contracting officer shall insert a clause substantially the same as the clause at 652.242-73, Authorization and Performance, in all solicitations and contracts to be awarded and/or performed overseas. For overseas local guard contracts, the contracting officer shall use the clause with its Alternate I.64 FR 43629, Aug. 11, 1999. Redesignated at 69 FR 19338 , Apr. 13, 2004