Home › CFR › Title 48 › Part 552 › §552.270-3148 CFR §552.270-31 — Prompt Payment.Verified against eCFR.gov as of November 12, 2026 ↗View official text on eCFR.gov ↗Copy linkAs prescribed in 570.703, insert the following clause: Alternate I (SEP 1999). As prescribed in 570.703, delete paragraphs (a)(2) and (b) of the basic clause, and redesignate the remaining paragraphs accordingly.