Can you log into the child account directly? There are multiple contacts in amazon -- Billing, Operations, and Security. If you have access to the Billing ema

Can you log into the child account directly? There are multiple contacts in amazon -- Billing, Operations, and Security. If you have access to the Billing email you should use that for contacting them. Otherwise it looks like a credit card dispute might trigger a cancellation or similar but I don't know for sure.