(a) Except as provided in paragraphs (b), (c), and (d) of this section, when the contracting officer cannot determine definite quantities to be acquired under a solicitation and intends to issue a solicitation for estimated quantities, the contracting officer shall insert the clause at 852.216-70, Estimated quantities.
(b) The contracting officer shall insert the Alternate I clause at 852.216-70 in solicitations for bulk coal.
(c) The contracting officer shall insert the Alternate II clause at 852.216-70 in solicitations for estimated quantities of orthopedic, prosthetic, and optical supplies.
(d) The contracting officer shall insert the Alternate III clause at 852.216-70 in solicitations for monuments and headstones.