This is to certify that we, _ _ _ (ID number _ _) and _ _ _ _ (ID number _ _ _), that is, the parents of _ _ _ _ _ _, agree that our children will travel to the UK from _ _ to _ _ _, and we will pay all the expenses incurred during the trip.
I hereby certify that the above information is true and accurate.
Thanks and best regards.
You are sincere,
_______