PDFWAC 246-215-04105
Multiuse—Cast iron, use limitation (FDA Food Code 4-101.12).
(1) Except as specified in subsections (2) and (3) of this section, cast iron may not be used for utensils or food-contact surfaces of equipment.
(2) Cast iron may be used as a surface for cooking.
(3) Cast iron may be used in utensils for serving food if the utensils are used only as part of an uninterrupted process from cooking through service.