Yes, there are regulations on the use of aluminum coil in commercial kitchens. These regulations often relate to food safety, hygiene, and the material's suitability for contact with food. Aluminum is generally safe for food contact, but it must meet specific standards to ensure it does not leach harmful substances into food. Regulations may vary by country or region, with some areas having strict guidelines on the types of aluminum alloys allowed and their intended use. Compliance with these regulations is crucial to avoid health risks and legal penalties. It's important for commercial kitchens to use food-grade aluminum and to follow local health department guidelines.