48 C.F.R. § 232.502-4-70
232.502-4-70 Additional clauses.
(a) Use the clause at 252.232-7002, Progress Payments for Foreign Military Sales Acquisitions, in solicitations and contracts that—
(i) Contain FMS requirements; and
(ii) Provide for progress payments.
(b) Use the clause at 252.232-7004, DoD Progress Payment Rates, instead of Alternate I of the clause at FAR 52.232-16, if the contractor is a small business concern.
(c) Use the clause at 252.232-7018, Progress Payments—Multiple Lots, to authorize separate progress payment requests for multiple lots.