If you are already on the roster for a team, or your team has been copied over from a previous season, then you only have to pay your team fee to finish the registration process.
The first step is to log into your account. You can just do that using this LINK.
Once you are logged in, you should see your child's name as well as the team they are on. It may also list your current season so you are looking for the one that still lists a pay button on the bottom right-hand side. Example as follows:
Once you click the "Pay" button, the charge will be added to the cart.
On the top right-hand side of the webpage, you will now see a small cart with a 1 next to it.
Simply click the cart and it will pull up the checkout page where you can complete the transaction. If your registration fee has expired, you may be required to renew before continuing checkout.