USDA Guidelines on Food Product Dating: https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/food-product-dating
FDA Information on Food Expiration Dates: https://www.fda.gov/consumers/consumer-updates/confused-date-labels-packaged-foods
Still Tasty - Your Ultimate Shelf Life Guide: https://www.stilltasty.com/