CFR›Title 7›Subtitle B›Chapter XLII›Part 4290›Subpart B ContainsSection 4290.50CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—Definition of Terms Used in Part 4290 Sections 4290.50 § 4290.50 Definition of terms. Previous A Subpart A—Introduction to Part 4290 Next C Subpart C—Qualifications for the RBIC Program