[3] The proposition establishes new minimum requirements on farmers to provide more space for egg-laying hens, breeding pigs, and calves raised for veal.

California businesses will be banned from selling eggs or uncooked pork or veal that came from animals housed in ways that did not meet these requirements.

[6] The California Secretary of State's summary from the Official Voter Information Guide of Proposition 12 is as follows:[4] ESTABLISHES NEW STANDARDS FOR CONFINEMENT OF SPECIFIED FARM ANIMALS; BANS SALE OF NONCOMPLYING PRODUCTS.

Fiscal Impact: Potential decrease in state income tax revenues from farm businesses, likely not more than several million dollars annually.

[5] Prop 12 was endorsed by the Center for Food Safety because research indicates that caging farm animals increases the spread of food-borne pathogens like Salmonella.

[27] On January 25, 2022, a judge ordered a temporary halt to enforcement of the prohibition on pork from gestation crates, for 180 days, pending development of final regulations by the California Department of Food and Agriculture, to give producers more time to comply.

[29] The American Farm Bureau Federation and the National Pork Producers Council again asked the Supreme Court to overturn the law, in another lawsuit similar to the ones that were previously rejected.