# The Teachers' Pensions Regulations 1997, Paragraph 6


If, in calculating the amount of a retirement pension, there is taken into account any period of employment after 2nd April 1961 in respect of which a payment in lieu of contributions has been made, the retirement pension is, except as provided in paragraphs 7 and 8, reduced—
(a) by £2.31 in the case of a man and by £1.92 in the case of a woman for each year, and proportionately for part of a year, of any period from 3rd April 1961 to 5th January 1964, and
(b) by £3.48 in the case of a man and by £2.90 in the case of a woman for each year, and proportionately for part of a year, of any period from 6th January 1964 to 5th April 1975.

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Source: https://www.legislation.gov.uk/uksi/1997/3001/schedule/10/paragraph/6 (the official version)
Page: https://openlegislation.uk/teachers-pensions-regulations-1997/schedule-10/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.