Be sure to write by hand. The power of attorney for stopping payment of social security is as follows: Municipal Social Insurance Management Center: I (ID number:) transferred the social insurance premiums (old-age medical care) paid by provinces and cities to provinces and cities according to the needs of relevant policies, and I am unable to go there in person for some reason, so I hereby entrust (ID number, contact phone number) to handle relevant procedures (insurance stop payment, issuing payment vouchers, clearing accounts and other related transfer-out procedures) on my behalf.