High Quality Content by WIKIPEDIA articles! The Hague Convention on the Law Applicable to Trusts and on their Recognition, or Hague Trust Convention is a multilateral treaty developed by the Hague Conference on Private International Law on the Law Applicable to Trusts. It concluded on 1 July 1985, entered into force 1 January 1992, and is as of March 2011 ratified by 12 countries. The Convention aims to harmonise not only the municipal law definitions of a trust, but also the Conflict rules for resolving problems in the choice of the lex causae. The key provisions of the Convention are: