in the case of an individual, it is-

1. delivered to him;
2. left at his last known address for service, or at his last known place of residence or business, in Hong Kong;
3. sent by post to him at his last known address for service, or at his last known postal address, in Hong Kong; or
4. sent by telex, facsimile transmission or other similar method to him at his last known address for service, or at his last known postal address, or at his last known place of residence or business, in Hong Kong;

in the case of a company, it is-

1. given to or served on an officer of the company;
2. left at the company's last known address for service, or at its last known place of business, in Hong Kong;
3. sent by post to the company at its last known address for service, or at its last known postal address, in Hong Kong; or
4. sent by telex, facsimile transmission or other similar method to the company at its last known address for service, or at its last known postal address, or at its last known place of business, in Hong Kong;

in the case of a partnership, it is-

1. delivered, left or sent in accordance with paragraph (a) in respect of any partner who is an individual; or
2. given, served, left or sent in accordance with paragraph (b) in respect of any partner which is a company;

in the case of a person ("attorney") holding a power of attorney under which the attorney is authorized to accept service in respect of another person, it is-

1. delivered, left or sent in accordance with paragraph (a) where the attorney is an individual;
2. given, served, left or sent in accordance with paragraph (b) where the attorney is a company;
3. delivered, left or sent in accordance with paragraph (a) in respect of any partner who is an individual where the attorney is a partnership, or
4. given, served, left or sent in accordance with paragraph (b) in respect of any partner which is a company where the attorney is a partnership.