Just bought Business version, but have not def web

I just bought the Business version but have to fill in fiels: Subscription attached to.......

However I set up this shop under a nother domain for testing. If shop is finalised and client has give his go I will move site to the domain it is build for. Can I change Subscription attached to..... then in my subscirptions??

Thanks,

Will post site on forum (showcase) when it's live. Will take a couple of months I think.