The Hague Convention on the Taking of Evidence Abroad in Civil or Commercial Matters is a multilateral treaty signed in The Hague on 18 March 1970. It establishes methods for provision of testimony and documents between a signatory state when evidence is sought and another signatory state where evidence is located, for use in judicial proceedings in the requesting state.

The Convention provides for the taking of evidence by means of:

Evidence is obtained by issuing a Letter of Request to the designated Central Authority of the signatory state where the evidence is located. Further information can be found on the HCCH website including the list of signatories, declarations, reservations, notifications, and entry into force dates.