(a) The contracting officer may insert a clause substantially as stated at
1852.247-72, Advance Notice of Shipment, in solicitations and contracts when the f.o.b. point is destination and special Government assistance is required in the delivery or receipt of the items.
(b) The contracting officer shall insert a clause substantially as stated at
1852.247-73, Bills of Lading, in f.o.b. origin solicitations and contracts.