Answer:
Name, address and phone number of current primary care physician/dentist, as well their immunization records (or a waiver signed by the parents about the immunizations), medical records, allergies, diet restrictions, current conditions, pretty much what you wish to know beforehand of like a general story of a child.
Step-by-step explanation:
It also depends on the country and state, as they could require more or less stuff in a child's record.