Why do you have to resign before you retire?

Hello, dear, it's my pleasure to serve you ~? After retirement, you have to go through the formalities of resignation, because this is a necessary step to receive a pension. Retirement requires resignation, because it is a necessary step to receive a pension. Employees who reach the statutory retirement age or need to retire early due to legal reasons must go through retirement procedures. The employing unit shall issue a certificate of dissolution of the labor contract at the time of dissolution or termination of the labor contract, and go through the formalities for the transfer of the relationship between files and social insurance for the workers within fifteen days.