- Constitución de la UMC modificada -X AG 2021
- Constitución de la Unión Mundial de Ciegos (2016)
- WEB-Constitución revisada UMC 08-08_Es
- Report by Constitution Commitee for review at 8th GA-esp
- Notes to proposed draft constitution-esp
- WBU Proposed Revised Constitution for 8th GA 2012 -esp
- Resolutions Process 2012-esp