Treasury Regulations · 26 CFR
§ 1.509(a)-4. Supporting organizations.
Regulation text, no changes From the eCFR, current as of October 15, 2026. The eCFR is an authoritative but unofficial editorial compilation of the Code of Federal Regulations; the official text is the annual CFR on govinfo. Compare it with this section on ecfr.gov (external site) or the official annual CFR on govinfo (external site).
Regulation under 26 U.S.C. § 509(a)
Cite as 26 CFR § 1.509(a)-4
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Issued
- October 17, 1972 by T.D. 7212
- Last amended
- October 16, 2023 by T.D. 9981
- Issued under
- 26 U.S.C. § 509(a)
- Length
- 15,561 words · about 68 min to read
- Defines
- 4 terms
- Cross-references
- cites 16 Code sections and 5 regulations; cited by 6
For example, X is an organization which operates for the benefit of private colleges in the State of Y. If X is controlled by these colleges (within the meaning of paragraph (g) of this section) and such colleges are all section 509(a)(1) organizations, X's articles will meet the organization test even if they permit X to operate for the benefit of any new colleges created in State Y in addition to the existing colleges or in lieu of one which has ceased to operate, or if they permit X to vary its support by paying more to one college than to another in a particular year.
[T.D. 7212, 37 FR 21916, Oct. 17, 1972, as amended by T.D. 7784, 46 FR 37890, July 23, 1981; 77 FR 76394, Dec. 28, 2012; T.D. 9746, 80 FR 79686, Dec. 23, 2015; T.D. 9981, 88 FR 71298, Oct. 16, 2023]
Terms defined here
Where the text says “the term … means”. Select a term to jump to its definition.
Cross-references
Computed from the citations in the text of 26 CFR.
Code sections it cites
- § 509 Private foundation defined
- § 507 Termination of private foundation status
- § 501 Exemption from tax on corporations, certain trusts, etc.
- § 170 Charitable, etc., contributions and gifts
- § 4947 Application of taxes to certain nonexempt trusts
- § 511 Imposition of tax on unrelated business income of charitable, etc., organizations
- § 4945 Taxes on taxable expenditures
- § 4958 Taxes on excess benefit transactions
- § 508 Special rules with respect to section 501(c)(3) organizations
- § 6033 Returns by exempt organizations
- § 4943 Taxes on excess business holdings
- § 4942 Taxes on failure to distribute income
- § 514 Unrelated debt-financed income
- § 4966 Taxes on taxable distributions
- § 446 General rule for methods of accounting
- § 4946 Definitions and special rules
Regulations it cites
- § 1.501(c)(3)-1 Organizations organized and operated for religious, charitable, scientific, testing for public safety, literary, or educational purposes, or for the prevention of cruelty to children or animals.
- § 53.4945-4 Grants to individuals.
- § 53.4942(b)-1 Operating foundations.
- § 53.4942(a)-2 Computation of undistributed income.
- § 53.4942(a)-3 Qualifying distributions defined.
Cited by 6 other regulations
- § 1.512(a)-6 Special rule for organizations with more than one unrelated trade or business.
- § 1.6033-2 Returns by exempt organizations and returns by certain nonexempt organizations.
- § 31.3121(b)(10)-2 Services performed by certain students in the employ of a school, college, or university, or of a nonprofit organization auxiliary to a school, college, or university.
- § 53.4943-11 Effective/applicability date.
- § 53.4947-1 Application of tax.
- § 53.4968-3 Related organizations.
Amendment history
From the source citation at the end of the section, newest first. T.D. is a Treasury decision; FR is the Federal Register.
- Amended by T.D. 9981 (88 FR 71298)
- Amended by T.D. 9746 (80 FR 79686)
- Amended (77 FR 76394)
- Amended by T.D. 7784 (46 FR 37890)
- Issued by T.D. 7212 (37 FR 21916)
Where it sits in 26 CFR
- Subchapter A Income tax
- Part 1 Income taxes
- Private Foundations
Nearby sections
- § 1.508-4 Effective date.
- § 1.509(a)-1 Definition of private foundation.
- § 1.509(a)-2 Exclusion for certain organizations described in section 170(b)(1)(A).
- § 1.509(a)-3 Broadly, publicly supported organizations.
- § 1.509(a)-4 Supporting organizations.
- § 1.509(a)-5 Special rules of attribution.
- § 1.509(a)-6 Classification under section 509(a).
- § 1.509(a)-7 Reliance by grantors and contributors to section 509(a) (1), (2), and (3) organizations.
- § 1.509(b)-1 Continuation of private foundation status.