Only a lawyer admitted to practice law in New York State shall be an authorized signatory of a special account. (f) Missing Clients.Client will be responsible. The Restatement (Third) of the Law. Its purpose is to foster the open dialogue between a client and lawyer that is deemed essential to effective representation. Under New York law, there simply may be no other sufficiently close common interest. The combination of the narrowly defined "common interest" and the. The privilege extends to communications between privileged persons. Attorney-client privilege protects confidential communications ; The privilege belongs to the client, meaning they have the authority to waive or invoke it. Attorney-client privilege is established when an individual asks a lawyer for legal advice in a confidential setting.