Hi kimmon,
Welcome to the Community. It's essential to set up your taxes correctly to ensure the correct amount is reported to the CRA. QuickBooks Online is a great program that gives you the ability to easily track your sales and expenses. I'd be glad to point you in the right direction regarding the sales tax filing period.
This type of issue can be caused by browser cache and cookies as they can prevent the system from functioning effectively. I encourage you to refer to the following steps to complete some browser troubleshooting.
If the steps provided above don't work, I recommend that you contact our customer support team. They'll be able to take a closer look at your account. Here are some options available to reach out to our team.
- Phone: Call us at 1-855-253-1536 from Monday to Friday between the hours of 9 AM and 8 PM EST.
- Schedule a Callback or start a Chat: click (?)Help in the upper right in QuickBooks Online > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start a Chat.
Let me know if you have any questions, I'll be happy to help.