48 CFR § 201.403 - Individual deviations.
(1) Individual deviations, except those described in 201.402(1) and paragraph (2) of this section, must be approved in accordance with the department/agency plan prescribed by 201.304(4).
(2) Contracting officers outside the United States may deviate from prescribed nonstatutory FAR and DFARS clauses when -
(i) Contracting for support services, supplies, or construction, with the governments of North Atlantic Treaty Organization (NATO) countries or other allies (as described in 10 U.S.C. 2341(2)), or with United Nations or NATO organizations; and
(ii) Such governments or organizations will not agree to the standard clauses.