890.9. A taxpayer shall include in computing his income for a taxation year(a) any amount, including a return of contributions, received in the year by the taxpayer or another person, other than an amount required to be included in that other person’s income for a taxation year under section 890.11, out of or under a retirement compensation arrangement that can reasonably be considered to have been received in respect of an office or employment of the taxpayer;
(b) any amount received or that became receivable in the year by the taxpayer as proceeds from the disposition of an interest in a retirement compensation arrangement; and
(c) the aggregate of all amounts, including a return of contributions, each of which is an amount received in the year by the taxpayer out of or under a retirement compensation arrangement that can reasonably be considered to have been received in respect of an office or employment of a person other than the taxpayer, except to the extent that the amount was requiredi. under section 890.11 to be included in computing the taxpayer’s income for a taxation year; or
ii. under paragraph a of this section or section 429 to be included in computing the income for the year of a person resident in Canada other than the taxpayer.