Packers and Stockyards Act
| Other short titles | 
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|---|---|
| Long title | An Act to regulate interstate and foreign commerce in live stock, live-stock products, dairy products, poultry, poultry products, and eggs, and for other purposes. | 
| Acronyms (colloquial) | PSA | 
| Nicknames | Packers and Stockyards Act of 1921 | 
| Enacted by | the 67th United States Congress | 
| Effective | August 15, 1921 | 
| Citations | |
| Public law | Pub. L. 67–51 | 
| Statutes at Large | 42 Stat. 159 | 
| Legislative history | |
  | |
The Packers and Stockyards Act of 1921 (7 U.S.C. §§ 181-229b; P&S Act) regulates meatpacking, livestock dealers, market agencies, live poultry dealers, and swine contractors to prohibit unfair or deceptive practices, giving undue preferences, apportioning supply, manipulating prices, or creating a monopoly. It was enacted following the release in 1919 of the Report of the Federal Trade Commission on the meatpacking industry.