The Convention on the Exercise of Liberal Professions of 1889 () is a treaty signed in the First South American Congress of Private International Law of 1889 in Montevideo, by which allows holders of an academic degree obtained in a public education institution of a state party to automatically validate their degrees in another state party without any requirement other than displaying the degree and prove that its owner is the one who is asking the validation. This treaty binds Argentina, Bolivia, Colombia, Ecuador, Paraguay, Peru and Uruguay.

Parties State Signed Approved Deposit Effective 4 February 1889 11 December 1894 (Law No. 3192) 11 December 1894 (ratification) 4 February 1889 17 November 1903 (Law from 17 Nov 1903) 17 November 1903 (ratification) (attended the Congress but did not sign) 26 June 1890 (subject to later ratification) (it was not ratified) (did not attend the Congress) 15 September 1917 (Law No. 5/1917) 19 October 1917 (adhesion) (did not attend the Congress) 22 May 1928 16 December 1932 (adhesion) 4 February 1889 3 September 1889 (Law from 3 Sep 1889) 3 September 1889 (ratification) 4 February 1939 4 November 1889 (Legislative Resolution from 4 Nov 1889) 4 November 1889 (ratification) 4 February 1889 3 October 1892 (Law No. 2207) 3 October 1892 (ratification)

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