# The Civil Procedure Rules 1998, Rule 55.6: Service of claims against trespassers


Where, in a possession claim against trespassers, the claim has been issued against “persons unknown”, the claim form, particulars of claim and any witness statements must be served on those persons by—
(a) (i) attaching copies of the claim form, particulars of claim and any witness statements to the main door or some other part of the land so that they are clearly visible; and
(ii) if practicable, inserting copies of those documents in a sealed transparent envelope addressed to “the occupiers” through the letter box; or
(b) placing stakes in the land in places where they are clearly visible and attaching to each stake copies of the claim form, particulars of claim and any witness statements in a sealed transparent envelope addressed to “the occupiers”.

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Source: https://www.legislation.gov.uk/uksi/1998/3132/rule/55.6 (the official version)
Page: https://openlegislation.uk/civil-procedure-rules-1998/rule-55.6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.