UNE 153020:2005 Audio description for people with visual disabilities. Requirements for audio description and preparation of audio guides
Law 27/2007, of October 23, which recognizes Spanish sign languages and regulates the means of supporting oral communication of deaf, hearing-impaired and deafblind people
Royal Decree 921/2010, of July 16, which modifies the Statute of the Royal Board of Trustees on Disability approved by Royal Decree 946/2001, of August 3, to regulate the Center for Linguistic Normalization of Spanish Sign Language