Justice Donald Bowman, former chief justice of the Tax Court of Canada, was always very adamant about this arbitrary definition. I was very distressed when CRA, almost two years ago, sent out a PowerPoint to all MPs, a brief analysis of the eligibility criteria for the DTC, and it had the 90% right there.
Going back a little bit, you're asking how legislators can be more involved in this issue.
In 2003, a technical advisory committee for persons with disabilities was created by both the Minister of Finance and the minister of CRA at that time, and we put together a report, “Disability Tax Fairness”. The CRA certainly took a lot of our recommendations in that report very seriously, so they made a number of amendments for the 2005 tax year, and they had an application form that had a considerable number of examples to guide the physicians in terms of how to—