State the facts
Give dates, ad examples and the policy you checked.
Avoid claims you cannot prove
Do not say you know the system failed. Say you could not find a violation.
Keep evidence
Save screenshots of ads, landing pages and billing at the time.
Official sources
Meta changes its help pages, menus and forms often. Follow the wording on your own screen and the current Help Center. Ad Account Unban is an independent service and is not affiliated with Meta.