Fiscal Arbitrators, Demara Consulting, and various other companies will tell you they know the secret to Canadian Income Tax. They will tell you they can file your returns in such a way that you will retrieve all taxes paid for the last 3, 7, or even 10 years.
Should you be concerned about what your accountant is doing, seek legal assistance immediately. It may mean the difference between massive penalties and interest, and no penalties and interest.
Torres v. The Queen, 2013 TCC 380 – Willful Blindness (https://www.canlii.org/en/ca/tcc/doc/2013/2013tcc380/2013tcc380.html?searchUrlHash=AAAAAQASZmlzY2FsIGFyYml0cmF0b3JzAAAAAAE&resultIndex=4)
Matsui v. Canada, 2014 FC 553 (CanLII) – Demara Consulting (https://www.canlii.org/en/ca/fct/doc/2014/2014fc553/2014fc553.html?searchUrlHash=AAAAAQARZGVtYXJhIGNvbnN1bHRpbmcAAAAAAQ&resultIndex=1)
Chartrand v. The Queen, 2015 TCC 298 (CanLII) – Fiscal Arbitrators (https://www.canlii.org/en/ca/tcc/doc/2015/2015tcc298/2015tcc298.html?searchUrlHash=AAAAAQARZmlzY2FsIGFyYml0cmF0b3IAAAAAAQ&resultIndex=2)
Brisson v. The Queen, 2013 TCC 235 (CanLII) – Fiscal Arbitrators (https://www.canlii.org/en/ca/tcc/doc/2013/2013tcc235/2013tcc235.html?searchUrlHash=AAAAAQARZmlzY2FsIGFyYml0cmF0b3IAAAAAAQ&resultIndex=3)
Bhatti v. The Queen, 2013 TCC 143 (CanLII) – Fiscal Arbitrators (https://www.canlii.org/en/ca/tcc/doc/2013/2013tcc143/2013tcc143.html?searchUrlHash=AAAAAQARZmlzY2FsIGFyYml0cmF0b3IAAAAAAQ&resultIndex=5)