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(2) Any calendar quarter during which a spouse or a dependant of a person referred to in Article V(2) is credited with a period of coverage under United States laws shall not be counted as residence in Canada for the purposes of the Old Age Security Act.
(2) In determining eligibility for benefits under paragraph (1) of this Article, the agency of the United States shall credit four quarters of coverage for every year of contributions under the Canada Pension Plan certified as creditable by the agency of Canada; however, no quarter of coverage shall be credited for any calendar quarter already credited as a quarter of coverage under United States laws. The total number of quarters of coverage to be credited for a year shall not exceed four.
(3) (a) If a person is not entitled to a pension under the Old Age Security Act because of insufficient periods of residence, entitlement to a pension may be determined by totalizing periods of residence in Canada on or after January 1, 1952 and after the attainment of age 18, and periods of coverage under United States laws as specified in subparagraph (3)(b) of this Article, but where the periods coincide, only one period shall be counted.
(b) For the purposes of establishing entitlement to a pension by means of totalization, a quarter of coverage under United States laws on or after January 1, 1952 and after the attainment of age 18 shall be counted as three months of residence in Canada.
(3) (a) Subject to the provisions governing the contributory period under the Canada Pension Plan, to establish entitlement to a benefit by means of totalization, a year in which at least one quarter of coverage is credited under United States laws shall be deemed to be a year in which contributions were made under the Canada Pension Plan.