# The Family Proceedings Rules 1991, Rule 10.3: Service on person acting in person


(1) Subject to paragraph (3) and to any other direction or order, where a document is required by these rules to be sent to any person who is acting in person, service shall be effected by sending the document by first class post to the address given by him or, if he has not given an address for service, to his last known address.
(2) Subject to paragraph (3), where no other mode of service is prescribed, directed or ordered, service may additionally be effected by delivering the document to him or by leaving it at the address specified in paragraph (1).
(3) Where it appears to the district judge that it is impracticable to deliver the document to the person to be served and that, if the document were left at, or sent by post to, the address specified in paragraph (1) it would be unlikely to reach him, the district judge may dispense with service of the document.

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Source: https://www.legislation.gov.uk/uksi/1991/1247/rule/10.3 (the official version)
Page: https://openlegislation.uk/family-proceedings-rules-1991/rule-10.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.