Hi there, @invoicesdmc.
You'll want to ensure the dividing date of your accountant's copy is the same in your QuickBooks Desktop (QBDT). The Accountant's copy uses the dividing date to define the fiscal period your accountant can work on.
Here's an article that provides detailed information about the Accountant's Copy workflow: Use the Accountant's Copy.
Also, do visit our Help articles page for future references. From there, you can read great articles that can guide you in your future tasks.
In case you have any other questions or concerns, you're always welcome to post here. I'm more than happy to help. Take care!