Section 47.304-5 - Exceptions(a) Unusual conditions or circumstances may require the use of terms other than f.o.b. origin or f.o.b. destination. Such conditions or circumstances include, but are not limited to- (1) Transportation disabilities at origin or destination;(2) Mode of transportation required;(3) Availability of Government or commercial loading, unloading, or transshipment facilities;(4) Characteristics of the supplies;(5) Trade customs related to certain supplies;(6) Origins or destinations in Alaska and Hawaii; and(7) Program requirements.(b) Contracting officers shall obtain assistance from transportation officers before issuing solicitations when unusual conditions or circumstances exist that relate to f.o.b. terms.