# The Unregistered Companies Regulations 2009, Paragraph 14


(1) The duty of a company to keep a register of directors' residential addresses has effect on and after 1st October 2009.
(2) The entry on that register of information that immediately before that date was contained in the company's register of directors and secretaries does not give rise to any duty to notify the registrar under section 167 of the Companies Act 2006 (duty to notify registrar of changes in particulars contained in register).

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Source: https://www.legislation.gov.uk/uksi/2009/2436/schedule/2/paragraph/14 (the official version)
Page: https://openlegislation.uk/unregistered-companies-regulations-2009/schedule-2/paragraph-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.