| 172 | WEB | 1953-06-24 | A | Acceptance | Agreement for Facilitating the International Circulation of Visual and Auditory Materials of an Educational, Scientific and Cultural character with Protocol of Signature and model form of certificate provided for in Article IV of the above-mentioned Agreement. Beirut, 10 December 1948. |
| 174 | WEB | 1953-06-24 | A | Ratification | Agreement on the Importation of Educational, Scientific and Cultural Materials, with Annexes A to E and Protocol annexed. Florence, 17 June 1950. |
| 175 | WEB | 1978-12-29 | A | Accession | Universal Copyright Convention, with Appendix Declaration relating to Article XVII and Resolution concerning Article XI. Geneva, 6 September 1952. |
| 176 | WEB | 1978-12-29 | A | Accession | Protocol 1 annexed to the Universal Copyright Convention concerning the application of that Convention to the works of stateless persons and refugees. Geneva, 6 September 1952. |
| 179 | WEB | 2001-07-19 | A | Ratification | Convention for the Protection of Cultural Property in the Event of Armed Conflict with Regulations for the Execution of the Convention. The Hague, 14 May 1954. |
| 180 | WEB | 2002-03-27 | A | Accession | Protocol to the Convention for the Protection of Cultural Property in the Event of Armed Conflict. The Hague, 14 May 1954. |
| 184 | WEB | 1979-03-29 | A | Accession | International Convention for the Protection of Performers, Producers of Phonograms and Broadcasting Organizations. Rome, 26 October 1961. |
| 186 | WEB | 1978-02-20 | A | Ratification | Convention on the Means of Prohibiting and Preventing the Illicit Import, Export and Transfer of Ownership of Cultural Property. Paris, 14 November 1970. |
| 189 | WEB | 2008-04-22 | A | Accession | Convention relating to the Distribution of Programme-Carrying Signals Transmitted by Satellite. Brussels, 21 May 1974. |
| 190 | WEB | 1999-01-22 | B | Ratification | Convention on Wetlands of International Importance especially as Waterfowl Habitat. Ramsar, 2 February 1971. |
| 192 | WEB | 1977-05-02 | A | Ratification | Regional Convention on the Recognition of Studies, Diplomas and Degrees in Higher Education in Latin America and the Caribbean. Mexico City, 19 July 1974. |
| 197 | WEB | 1978-12-29 | A | Accession | Universal Copyright Convention as revised on 24 July 1971, with Appendix Declaration relating to Article XVII and Resolution concerning Article XI. Paris, 24 July 1971. |
| 200 | WEB | 1991-10-08 | A | Acceptance | Convention concerning the Protection of the World Cultural and Natural Heritage. Paris, 16 November 1972. |
| 201 | WEB | 1978-10-25 | A | Accession | Convention for the Protection of Producers of Phonograms against Unauthorized Duplication of their Phonograms. Geneva, 29 October 1971. |
| 202 | WEB | 1978-12-29 | A | Accession | Protocol 1 annexed to the Universal Copyright Convention as revised on 24 July 1971 concerning the application of that Convention to work of stateless persons and refugees. Paris, 24 July 1971. |
| 204 | WEB | 1978-12-29 | A | Accession | Protocol 2 annexed to the Universal Copyright Convention as revised on 24 July 1971 concerning the application of that Convention to works of certain international organizations. Paris, 24 July 1971. |
| 206 | WEB | 2002-03-27 | A | Accession | Second Protocol to the Hague Convention of 1954 for the Protection of Cultural Property in the Event of Armed Conflict. The Hague, 26 March 1999. |
| 208 | WEB | 2012-09-13 | A | Ratification | Convention for the Safeguarding of the Intangible Cultural Heritage. Paris, 17 October 2003. |
| 209 | WEB | 2008-09-05 | A | Accession | International Convention against Doping in Sport. Paris, 19 October 2005 |
| 210 | WEB | 2013-07-02 | A | Ratification | Convention on the Protection and Promotion of the Diversity of Cultural Expressions. Paris, 20 October 2005 |
El Salvador