And the account must be verified which I am still waiting on despite having made payments to them for several months. Its not the same verification system as the government-ID-plus-selfie KYC flow run through Persona but just a verification that a person has been making payments.
If ones goes to Usage and still see "Current session" then they have not verified the account and the 5 hour window limit is still in place despite going from 20x to 10x.