With all the extra tax filings clients have had to undertake this year including the Underused Housing Tax Returns and T3 returns for trusts, as well as their personal and corporate returns, professional fees payable will certainly have risen. For many, it will in fact have been an unbudgeted expense. Yet others, may be incurring legal fees to challenge CRA reassessments. Understanding how much of these fees will be deductible, can help ease the annual double-whammy: paying taxes and paying professionals to figure them out. Here are guidelines for deductibility.