What are the costs to submit a Trust Return - we have 3 family trusts. And can I register them as additional under my login with TaxTim or do I need to register each one separately (as they do not each have individual email addresses). I also need to do the tax returns for my in-laws and husband and my parents. So all in all it will be tax returns for 6 individuals, 3 trusts and 2 CC's. What would the cost implications be?