The regulation on the marketing of wines in the United States is very strict.
The two main legislative bodies relating to the marketing of wines in the United States FDA (Food & Drug Administration) and the TTB (Treasury, Alcohol and Tobacco Tax and Trade Bureau).
Both organizations act on all stages of product exports: the entrance to the labeling of the product in the US.
The legislation on the marketing of wines depends on the state where the importation is done.
Dowload the documentation "Regulation of Wine product"