September 1st. KFC Taco is a kind of Mexican chicken burger in the KFC store, due to the chicken burger in the need for a taco fixed ingredients, the ingredients will only be produced in the United States in July and August, thus the KFC store regulations, taco KFC every year on the market for a fixed July 30, the market for a period of two months, while stocks last, off the shelves time for September 1st.