SECTION III - ANIMAL, VEGETABLE OR MICROBIAL FATS AND OILS AND THEIR CLEAVAGE PRODUCTS; PREPARED EDIBLE FATS; ANIMAL OR VEGETABLE WAXES > CHAPTER 15 - ANIMAL, VEGETABLE OR MICROBIAL FATS AND OILS AND THEIR CLEAVAGE PRODUCTS; PREPARED EDIBLE FATS; ANIMAL OR VEGETABLE WAXES > 1504 Fats and oils and their fractions, of fish or marine mammals, whether or not refined, but not chemically modified > Fish-liver oils and their fractions > Of a vitamin A content not exceeding 2500 International Units per gram