travel.state.gov
India
It functions as the nodal body for adoption of Indian children and is mandated to monitor and regulate inter-country adoptions. CARA is designated as the Central Authority to deal with inter-country adoptions in accordance with the provisions of the Hague Convention on Inter-country Adoption, 1993, ratified by Government of India in 2003.
Mexico
Each Central Civil Registry in Mexico can issue birth, death and marriages certificates from other states around the country through the Interconnection Database. The Central Civil Registries are a depository for duplicate copies of documents made at the local registrar in the town, city, or municipality in which the event occurred.
Pakistan
Marriage Certificates. Available. Fees: Fees vary by location. Document Name: Marriage Registration Certificate. Issuing Authority: For Pakistani Muslim citizens, Union Councils, Municipal Corporations, the Capital Development Authority (CDA), and Cantonment Boards register Nikah Nama documents and issue marriage registration certificates.Document formats vary from province to province.
China
China - U.S. Visa: Reciprocity and Civil Documents by Country - Travel
Nigeria
Alternate Documents: There are no alternate documents. Exceptions: There are no exceptions. Comments: Applicants outside the country are advised that mailed requests for police certificates are not an effective method of obtaining the records. It is recommended that applicants outside Nigeria apply online via the POSSAP Portal.
Philippines
Documents from these sources are centrally registered and are considered more reliable than documents issued by local registrars. For civil documents with legal changes, corrections, and court decisions, applicants should request civil documents and certificates that are issued with a "CDLI" endorsement (Court Decree and Legal Instrument).