If you request to have your TurboTax account fees paid from the federal tax refund, those fees are deducted when the IRS issues the tax refund. If the tax refund is delayed by the IRS then TurboTax will send you 4 emails requesting payment before the fees are debited from your account.
See this TurboTax support FAQ for payment of the account fees when the IRS delays the tax refund - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/bank-account-auto...
