Legal basis: Article 9 of the Supreme Court's relevant provisions on postal service shall be deemed to have been served in any of the following circumstances:
(1) The recipient signs, seals or seals the receipt;
(2) The addressee is a natural person without or with limited capacity for civil conduct, and his legal representative shall sign for it;
(3) If the addressee is a legal person or other organization, it shall be signed by the legal representative of the legal person, the main person in charge of the organization or the staff in the office, mail room and duty room;
(four) signed by the agent ad litem of the addressee;
(five) signed by the addressee designated by the addressee;
(six) the recipient's adult family members living together to sign for it.