# The Social Security (Canada) Order 1995, Conversion Formulae


(12) For the purposes of calculating entitlement under the legislation of the United Kingdom to retirement pension in accordance with paragraph (9), periods of residence in Canada before 6 April 1975 shall be treated as if a Class 3 contribution had been paid under the legislation of the United Kingdom for each week of such residence.
(13) For the purpose of calculating an earnings factor for assessing entitlement under the legislation of the United Kingdom to retirement pension in accordance with paragraph (9), a person shall be treated for each week beginning in a relevant tax year commencing after 5 April 1975, as having paid a contribution under the legislation of the United Kingdom as an employed earner, or having earnings on which primary Class 1 contributions have been paid, on earnings equivalent to two-thirds of that year’s upper earnings limit, for any week during which he was gainfully occupied in employment in Canada.
(14) For the purpose of calculating entitlement under the legislation of the United Kingdom, to retirement pension in accordance with paragraph (9), periods of residence in Canada as a self-employed person or as a non-employed person after 5 April 1975 shall be treated as if a Class 3 contribution had been paid under the legislation of the United Kingdom for each week of such residence.

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Source: https://www.legislation.gov.uk/uksi/1995/2699/schedule/n2/part/II/crossheading/conversion-formulae (the official version)
Page: https://openlegislation.uk/social-security-canada-order-1995/schedule-n2/part-II/crossheading-conversion-formulae
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.