CFR › Title 45 › Part 263 › §263.945 CFR §263.9Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkNo. The reasonable cause and corrective compliance provisions at §§ 262.4, 262.5, and 262.6 of this chapter do not apply to the penalties in § 263.8.