Social security center which approved form can reflect the birth year and month

Personal Information Verification Form and Personal Enrollment Registration Form. Social security in the approved form will be used in the personal information approved form or personal enrollment registration form, the form contains the basic information of the individual, including the year of birth, the year of birth is generally filled out in the form of the date, used to verify the identity of the individual and the age of the information, in order to carry out social security related to the approval and management of the work.