When you join MYOB Atlas, you'll be signed up to the Atlas Premier plan automatically, so you can try out the maximum number of features available. When you renew your plan, you can continue on Atlas Premier or, if you want, switch to another plan. Note that you can change to a different plan at any time.
If you don't want to renew your website, you have two options: you can either move to the Atlas Business Card plan (if you don't choose a plan, this will happen automatically) or you can cancel your website. For more information, see Cancelling your MYOB Atlas website.