How to change the billed itunes account to my business bank account

I'll help you ensure you'll be able to change subscription billing from iTunes, jwill8588. 
 

To modify your billing subscription for QuickBooks Self-Employed, if you purchased through the Apple Store, you'll need to cancel your subscription directly through your Apple account. 
 

Canceling your subscription through the Apple Store will end your current subscription with them. To continue using QuickBooks Self-Employed, you will need to set up a new subscription through QuickBooks using your business banking account. 

Here's how:

1. Open the Settings app on your iOS device.
2. Tap on your Apple ID at the top of the screen and select iTunes & App Store.
3. Tap on your Apple ID again and choose View Apple ID. You may be required to sign in.
4. Scroll down and select Subscriptions.
5. Locate your QuickBooks Self-Employed subscription and tap on it.
6. To switch to a different billing method, click Cancel Subscription.

After canceling, you can subscribe again through QuickBooks Self-Employed using your business banking account. For more details on the steps, refer to this article: Billing and subscription info in QuickBooks Self-Employed.

By subscribing directly to QuickBooks, you will be able to pay for your Intuit subscription directly through QuickBooks Self-Employed using your business banking account.

For other features you can use in QuickBooks while logged in to a browser, here's the article you can use for reference: Help Articles in QuickBooks Self-Employed. In the reference, you can read subtopics describing how a feature is used and how to accomplish tasks related to its functions. 

If you need further assistance or have questions about your QBSE subscription, you can always reach out to the Community. We'll be around to help. Enjoy your day.