ContributionsMost RecentMost LikesSolutionsRe: Client who does not need to register for GST Personally I would change the GST rate to zero just in case the status changes later. I am not an accountant so this is just my personal preference and should not be deemed as official advice. Cheers Liz Re: Overpayment of superannuation Yes I have written to super funds before to say super has been overpaid and they have refunded it (by cheque). Can't hurt to try and it's not like they are doing anything wrong - just made a mistake. Cheers Liz