As prescribed in 1832.502-470, the contracting officer may insert a clause substantially as stated at 1852.232-82, Submission of Requests for Progress Payments, in fixed-price solicitations and contracts that provide for progress payments. The recipient of the requests and number of copies may be changed as required.
SUBMISSION OF REQUESTS FOR PROGRESS PAYMENTS (MAR 1989)
The Contractor shall request progress payments in accordance with the Progress Payments clause by submitting to the Contracting Officer an original and two copies of Standard Form (SF) 1443, Contractor's Request for Progress Payment, and the contractor's invoice (if applicable). The Contracting Officer's office is the designated billing office for progress payments for purposes of the Prompt Payment clause.
(End of clause)