Is a Minnesota cooperative tax-exempt?
Not automatically: forming a 308B cooperative does not make it tax-exempt, and the IRS treats exempt status for farmers' cooperatives as something you apply for.
We found no provision in chapter 308B that exempts a cooperative from tax, and registering with the Secretary of State does not create a federal exemption.
The IRS instructions for Form 1120-C say the form is for a corporation operating on a cooperative basis under section 1381, and that farmers' cooperatives exempt under section 521 also file it. The form's Item C is checked for a "Farmers' tax exempt cooperative" only if section 521 status was applied for and received G4.
Section 521 is a narrower agricultural status, not a general exemption for all cooperatives. Even qualifying organizations remain subject to subchapter T and file Form 1120-C [@C6; @C12; @G4]. Patronage deductions require separate federal conditions; a state-law allocation is not automatically deductible [@C5; @C13]. See Understand cooperative tax basics for the limited federal and Minnesota return checks, including the 2024 Code / 2025 return edition limits. This is not a determination of an individual cooperative's exemption or tax liability.
Related
Sources
- G4 Instructions for Form 1120-C (2025), U.S. Income Tax Return for Cooperative Associations, Internal Revenue Service. irs.gov (primary; accessed October 15, 2026)
- P1 Minnesota Statutes, Chapter 308B (Cooperative Associations), Office of the Revisor of Statutes, State of Minnesota. revisor.mn.gov (primary; accessed October 15, 2026)
- G5 Publication 225 (2025), Farmer's Tax Guide: Income From Cooperatives, Internal Revenue Service. irs.gov (primary; accessed October 15, 2026)
- C5 26 USC 1388 — Definitions; special rules (2024 edition), U.S. Government Publishing Office / Congress. govinfo.gov (primary; accessed October 16, 2026)
- C6 26 USC 521 — Exemption of farmers' cooperatives from tax (2024 edition), U.S. Government Publishing Office / Congress. govinfo.gov (primary; accessed October 16, 2026)
- C12 26 USC 1381 — Organizations to which part applies (2024 edition), U.S. Government Publishing Office / Congress. govinfo.gov (primary; accessed October 16, 2026)
- C13 26 USC 1382 — Taxable income of cooperatives (2024 edition), U.S. Government Publishing Office / Congress. govinfo.gov (primary; accessed October 16, 2026)