Regulation 3 Service of documents
Anything required to be served on any person under these Regulations or the Act shall be set out in a notice in writing which may be served either—
by delivering it to that person;
by leaving it at his proper address;
by sending it by post to that address; or
by sending it to him at that address by telex, facsimile or other similar instantaneous means which produces a document containing a text of the communication, in which event the document shall be regarded as served when it is transmitted,
and where the person is a body corporate the document may be served, by any of these means, upon the Secretary of that body.
When a document is sent by post it shall be deemed to have been received 3 working days after despatch if posted to an address within the United Kingdom and 7 working days if posted to an address elsewhere.
For the purposes of this regulation the proper address of any person shall in the case of a body corporate be the registered or principal office of that body and in any other case shall be the last known address of the person.