Glad to have you join the QuickBooks Community. It's imperative you're able to have matching amounts on your WSIB and I'll be happy to help point you in the right direction so you can move forward with peace of mind.
Reconciling accounts is a great method for figuring out why balances aren't matching on account. In case you haven't done this yet, I suggest giving this a try to help narrow down the root of the amount imbalances. I also recommend getting in touch with an accounting professional for expert advice in case you need to learn more about where and how to record specific transactions so your balances match. If you're not in contact with a professional, don't worry, you can search for one using this link here. Otherwise, I recommend you to check out these helpful resources with more info about reconciling in QuickBooks:
I encourage you to go through the articles above as they provide helpful information which will help you complete your reconciliation with ease. If you have questions, don't hesitate to reach back to me here. Otherwise, I wish you a great rest of the week.