26 CFR §301.6316-9 — -9 Interest, additions to tax, etc.
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Any reference in §§ 301.6316-1 to 301.6316-8, inclusive, to “tax” shall be deemed also to refer to the interest, additions to the tax, additional amounts, and penalties attributable to the tax.