CFR›Title 31›Subtitle B›Chapter II›Part 203›Subpart B ContainsSections 203.9–203.13CorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 Subpart B—Electronic Federal Tax Payments Sections 203.9 § 203.9 Scope of the subpart. 203.10 § 203.10 Electronic payment methods. 203.11 § 203.11 Same-day reporting and payment mechanisms. 203.12 § 203.12 EFTPS interest assessments. 203.13 § 203.13 Appeal and dispute resolution. Previous A Subpart A—General Information Next C Subpart C—PATAX