As long as you go to the police station where your parents are located and write a certificate, the police station will stamp it for you.
This certification letter should be issued by the neighborhood Committee where the household registration is located.
So-and-so, how old, and so on, land acquisition in xx, and so on, agricultural registered permanent residence changed into a resident account, which is hereby certified.
Then sign and seal, that's all.
First of all, you must find out
If you get this certificate, you can really get the second birth permit, because if your current account has become an urban resident account, as well as the current ownership of your account, and so on.
Before issuing the certificate, go directly to the Family Planning Commission and ask if you want to do it, otherwise it will be for nothing.