Hello, @bookkeeper691. Yes, you can file a Company Tax Return (CT600) using ProTax in QuickBooks Online Accountant (QBOA), even if your business operates in multiple currencies, as long as you have completed all your workpapers accurately.
Before you begin, it's important to prepare your annual accounts. This involves gathering all relevant documents, such as invoices, receipts, and bank statements, and entering all necessary financial information into QuickBooks.
Additionally, be sure to complete your CT600 tax return in ProTax and review the audit checklist before submitting it. For more details, you can check this article: File Your Corporation Tax Return Using Workpapers in QuickBooks Online Accountant.
Let us know if you have further questions. We're here to help you anytime.
