# The Teachers' Superannuation (Consolidation) Regulations 1988, Paragraph 9


(1) If notice of intention has been given under paragraph 3 and by the later of—
(a) the date of the person’s becoming entitled to retirement benefits, and
(b) his relevant birthday,
no declaration has been delivered, then, from the later of those dates until he has either delivered a declaration or failed to satisfy the Secretary of State as mentioned in paragraph 5(3), 1/3rd of his retirement pension may be withheld.
(2) Any resulting underpayment or overpayment is to be adjusted in due course.

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Source: https://www.legislation.gov.uk/uksi/1988/1652/schedule/11/paragraph/9 (the official version)
Page: https://openlegislation.uk/teachers-superannuation-consolidation-regulations-1988/schedule-11/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.