Huffington Post CanadaAdult Fitness Tax Credit: The Promise Tories Hoped You'd ForgetHuffington Post CanadaIn 2011, Harper pledged to introduce an adult fitness tax credit, worth up to $75, as soon as the budget was balanced. (The non-refundable tax credit would have been worth 15 per cent of up to $500 in the cost of a gym membership or participation in a ...