survey(A critical examination of facts or conditions to provide information on a situation. Usually conducted by interviews and/or on-site visitations)
public inquiry(An investigation, especially a formal one conducted into a matter of public utility by a body constituted for that purpose by a government, local authority, or other organization)
registration(An instance of or a certificate attesting to the fact of entering in an official list various pieces of information in order to facilitate regulation or authorization, including one's name, contact information and, in some instances, data concerning a specific possession or property)