29 USC § 166 - Separability

---
identifier: "/us/usc/t29/s166"
source: "usc"
legal_status: "official_prima_facie"
title: "29 USC § 166 - Separability"
title_number: 29
title_name: "LABOR"
section_number: "166"
section_name: "Separability"
chapter_number: 7
chapter_name: "LABOR-MANAGEMENT RELATIONS"
subchapter_number: "II"
subchapter_name: "NATIONAL LABOR RELATIONS"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(July 5, 1935, ch. 372, § 16, 49 Stat. 457; June 23, 1947, ch. 120, title I, § 101, 61 Stat. 151.)"
---


# § 166. Separability

If any provision of this subchapter, or the application of such provision to any person or circumstances, shall be held invalid, the remainder of this subchapter, or the application of such provision to persons or circumstances other than those as to which it is held invalid, shall not be affected thereby.

---

**Source Credit**: (July 5, 1935, ch. 372, § 16, 49 Stat. 457; June 23, 1947, ch. 120, title I, § 101, 61 Stat. 151.)

## Editorial Notes

### Amendments

1947—Act , amended section generally by inserting new subject matter which was formerly covered by . Section formerly referred to short title of chapter, see .

## Statutory Notes and Related Subsidiaries

### Effective Date of 1947 Amendment

For effective date of amendment by act , see section 104 of act , set out as a note under .