To cancel your ChatGPT subscription, make sure to do it through the same...

https://kilo-wiki.win/index.php/Why_Do_I_Not_See_Billing_Options_in_ChatGPT_Business_as_an_Admin%3F

To cancel your ChatGPT subscription, make sure to do it through the same platform where you signed up, whether that’s the web, Apple, Google Play, Stripe, Business, or API billing