Birth certificate attestation is the process of verifying the authenticity of a birth certificate for official purposes. The specific process of birth certificate attestation may vary depending on the country where the certificate will be used, so it's important to check the requirements of that country. It's also important to note that, the process of attestation of a birth certificate may vary if the certificate was issued in a foreign country, in that case the process will be different and it's important to check the requirements of that country and the country where it will be used.