55 Pa. Code § 3800.163 – Food groups and alternative diets.

(a) Each meal shall contain at least one item from the dairy, protein, fruits and vegetables and grain food groups, unless otherwise recommended in writing by a licensed physician, certified nurse practitioner or licensed physician’s assistant for a specific child.
(b) Dietary alternatives shall be available for a child who has special health needs, religious beliefs regarding dietary restrictions or vegetarian preferences.

This section cited in 55 Pa. Code § 3800.311 (relating to exceptions for day treatment).