Recovery of overpayment

166 The following are debts that are due to Her Majesty in right of Canada and may be recovered in accordance with section 155 of the Financial Administration Act: (a) any overpayment to a claimant by the Regulator under subsection 164(1); (b) any amount paid to a claimant under paragraph 164(1)(b) in respect of a Tribunal’s decision that is rescinded; and (c) if the amount paid by the Regulator under paragraph 164(1)(b) in respect of a Tribunal’s decision that is amended under subsection 169(1) is more than the amount of compensation and costs indicated in the notice referred to in subsection 169(2), the amount that is equal to the difference between those amounts.