CFR › Title 48 › Part 2143 › §2143.10148 CFR §2143.101Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe effective date of a FEGLI contract modification is as defined in FAR 43.101, except to the extent that the definition conflicts with LIFAR 2101.370.