Many countries require that foreign public documents be “legalised” before they are recognised and accepted in those countries.
Legalisation typically involves a multi-stage process whereby the signature, seal or stamp on a local public document is certified as authentic by a series of public officials along a “chain”, to a point where the ultimate authentication is readily recognised by the foreign State of destination.
This FAQ contains questions about documents legalisation, please visit the specific pages for your reference.