Legal analysis: Under normal circumstances, it is not necessary for all parties to be present, only the client is required to be present. However, the law stipulates that some types of notarization require the presence of the parties.

Legal basis: "Notarization Law of the People's Republic of China"

Article 25 A natural person, legal person or other organization may apply for notarization to the place of residence or habitual residence. The notarization authority shall submit the request to the notary institution in the place where the act was performed or where the facts occurred.

Applications for notarization involving real estate shall be submitted to the notary office where the real estate is located; applications for notarization of entrustments, declarations, gifts, and wills involving real estate may be subject to the provisions of the preceding paragraph.

Article 26 A natural person, legal person or other organization may entrust others to handle notarization, except for wills, survivorship, adoption relationships, etc. that must be notarized by themselves.

Article 27 The party applying for notarization shall truthfully explain to the notary agency the relevant circumstances of the matter applied for notarization, and provide true, legal and sufficient supporting materials; if the supporting materials provided are insufficient, the notarization Institutions may request supplements.

After accepting the notarization application, the notary office shall inform the parties of the legal significance and possible legal consequences of the notarization application, and record and archive the notification content.

Article 28 When a notarization agency handles notarization, it shall examine the following matters separately according to the rules for different notarization matters:

(1) The identity of the parties and the application for the notarization qualifications and corresponding rights;

(2) Whether the content of the documents provided is complete, whether the meaning is clear, and whether the signatures and seals are complete;

(3) Whether the certification materials provided are authentic , legal and sufficient; (4) Whether the matters applied for notarization are true and legal.