Home › CFR › Title 48 › Part 52 › §52.227-2148 CFR §52.227-21 — Technical Data Declaration, Revision, and Withholding of Payment—Major Systems.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAs prescribed in 27.409(j), insert the following clause: