Various OU Passover Guides March 27, 2022 The OU has various Pesach guides. They’re all available here.Items Considered Kosher for Pesach without a OU-P DesignationNon-Food Items and Guidelines for MedicineOU Kitniot and OU Matzah Ashira ProductsInfant Formulas and SupplementsModern Kitchen GuidelinesIngredient Substiution.And the complete 1q4 page guide is avialable for download. The Complete OU Guide