The O/U certifies Sysco All Purpose H&R Flour as an O/U product but NOT as an O/UP (Kosher for Passover) product. Some 50 lb. bags bear an unauthorized O/UP marking.
From The AKC: FoodPrep Solution’s White Mineral Oil
FoodPrep Solution’s White Mineral Oil was produced with an unauthorized AKC Kosher symbol on the bottle. The AKC does not certify this product.