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Title 15 — Commerce and Trade

Chapter 2A — Securities and Trust Indentures

§ 77o. Liability of controlling persons

Statutory text

(a)

Controlling persons

Every person who, by or through stock ownership, agency, or otherwise, or who, pursuant to or in connection with an agreement or understanding with one or more other persons by or through stock ownership, agency, or otherwise, controls any person liable under sections 77k or 77l of this title, shall also be liable jointly and severally with and to the same extent as such controlled person to any person to whom such controlled person is liable, unless the controlling person had no knowledge of or reasonable ground to believe in the existence of the facts by reason of which the liability of the controlled person is alleged to exist.

(b)

Prosecution of persons who aid and abet violations

For purposes of any action brought by the Commission under subparagraph (b) or (d) of section 77t of this title, any person that knowingly or recklessly provides substantial assistance to another person in violation of a provision of this subchapter, or of any rule or regulation issued under this subchapter, shall be deemed to be in violation of such provision to the same extent as the person to whom such assistance is provided.

Legislative history

Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.

  1. Pub. L. 73–38 · 48 Stat. 74

    Enacted · 15 U.S.C. § 77o

    May 27, 1933, ch. 38, title I, § 15, 48 Stat. 84

    Source evidence

    Code source credit
    May 27, 1933, ch. 38, title I, § 15, 48 Stat. 84

  2. Investor Protection and Securities Reform Act of 2010

    Pub. L. 111–203 title IX § 929M(a) · 124 Stat. 1376

    1. Amended · 15 U.S.C. § 77o

      Pub. L. 111–203 designated existing provisions as subsec. (a)

    2. Inserted · 15 U.S.C. § 77o

      Pub. L. 111–203 inserted heading

    3. Added · 15 U.S.C. § 77o

      Pub. L. 111–203 added subsec. (b)

    Source evidence

    Code amendment note
    Pub. L. 111–203 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

    Enacted provision · exact public law section
    (a) Under the Securities Act of 1933.— Section 15 of the Securities Act of 1933 (15 U.S.C. 77o) is amended— (1) by striking “Every person who” and inserting “(a) Controlling Persons.—Every person who”; and (2) by adding at the end the following: “(b) Prosecution of Persons Who Aid and Abet Violations.— For purposes of any action brought by the Commission under subparagraph (b) or (d) of section 20, any person that knowingly or recklessly provides substantial assistance to another person in violation of a provision of this Act, or of any rule or regulation issued under this Act, shall be deemed to be in violation of such provision to the same extent as the person to whom such assistance is provided.” .

    Effective date note
    Amendment by Pub. L. 111–203 effective 1 day after July 21, 2010, except as otherwise provided, see section 4 of Pub. L. 111–203, set out as an Effective Date note under section 5301 of Title 12, Banks and Banking.

3 of 4 references resolved to an enrolled provision · 1 partial

Editorial Notes

Amendments1934–2010 · 2 rounds

2010

Pub. L. 111–203 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

1934

Act , exempted from liability controlling persons having no knowledge or reasonable grounds for belief.

Statutory Notes and Related Subsidiaries

Effective Date of 2010 Amendment

Amendment by Pub. L. 111–203 effective 1 day after , except as otherwise provided, see section 4 of Pub. L. 111–203, set out as an Effective Date note under section 5301 of Title 12, Banks and Banking.

Credits

1933–2010 · 3 acts
  1. 1933May 27, 1933, ch. 38, title I, § 15, 48 Stat. 84
  2. 1934June 6, 1934, ch. 404, title II, § 208, 48 Stat. 908
  3. 2010Pub. L. 111–203, title IX, § 929M(a), , 124 Stat. 1861.
Show as published

(May 27, 1933, ch. 38, title I, § 15, 48 Stat. 84; June 6, 1934, ch. 404, title II, § 208, 48 Stat. 908; Pub. L. 111–203, title IX, § 929M(a), , 124 Stat. 1861.)

Parsed from the official OLRC USLM XML in data/usc_all/usc15.xml · release point 119-108 · OLRC build 2026-09-09

USLM identifier /us/usc/t15/s77o