When faced with Notices of Assessment from CRA that run contrary to a particular tax practice, taxpayers often defend their practice on the basis that CRA had not previously taken issue with it. For tax litigators it is common to hear from clients: “CRA did not take issue with our tax compliance procedures in the past, so they should not be able to now!”
Unfortunately, this argument will not be successful in the Tax Court of Canada, as was the case in the recent case of Academy of Applied Pharmaceutical Sciences (2014 TCC 171) – which reinforces that there is really no substitute for proper professional advice when determining GST/HST compliance.