CFR›Title 39›Chapter III›Part 3030›39 CFR Part 3030 Subpart C Citation39 CFR Part 3030 Subpart CContainsSections § 3030.140–§ 3030.143CorpusDaily eCFRDisplayed edition2026-09-23Last updated2026-09-23 Subpart C—Consumer Price Index Rate Authority Sections § 3030.140 § 3030.140 Applicability. § 3030.141 § 3030.141 CPI-U data source. § 3030.142 § 3030.142 CPI-U rate authority when rate adjustment filings are 12 or more months apart. § 3030.143 § 3030.143 CPI-U rate authority when rate adjustment filings are less than 12 months apart. Authority39 U.S.C. 503; 3622.Source85 FR 81126, Dec. 15, 2020, unless otherwise noted. Previous B Subpart B—Rate Adjustments Next D Subpart D—Density Rate Authority