I'm happy to route you directly to the correct support, Woatm.
Since this is develop under sandbox of Intuit Developer, I suggest contacting their support for further assistance on this matter. Here's how:
- Go to Intuit Developer website.
- Click Support on the upper right side.
- Select Help.

Additionally, I'm sharing this article for your reference when checking the latest updates about the product: QuickBooks Blogs
Let us know if you still have other concerns about your QBO account. Have a wonderful day ahead.