Code of Federal Regulations Title 9. Animals and Animal Products § 9.590.413 Form of official identification symbol and inspection mark

The shield set forth in Figure 1 of this section containing the letters “USDA” must be the official identification symbol used in connection with egg products to denote that the official plant receives official inspection service. The inspection mark used on containers of edible egg products is set forth in Figure 1 of this section, except that the plant number may be preceded by the letter “G” in lieu of the word plant. The plant number may also be omitted from the official mark if applied on the container's principal display panel or other prominent location and preceded by the letter “G.” [FN76]

 The number “42” is given as an example only. The plant number of the official plant where the product was inspected must be shown on each label.