Twinkle Toes Nanny Agency requires that all new families have a Credit Card on file. By submitting this form, you are authorizing Twinkle Toes Nanny Agency to charge your credit card for the full amount of your invoice if your invoice is not paid by the due date. The 5% late fee will also be charged to this card if full payment is not made by the invoice due date. Your card will not automatically be charged to process your invoice. It will only be charged if you don’t pay your invoice on time.