Home › CFR › Title 26 › Part 301 › §301.6031(a)-126 CFR §301.6031(a)-1 — (a)-1 Return of partnership income.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkFor provisions relating to the requirement of returns of partnership income, see § 1.6031(a)-1 of this chapter.