The Catalan manual alphabet is used in Catalan Sign Language but was not officially recognized as one of Catalonia's official languages until 3 June 2010 when Law 17/2010 of the Catalan sign language (LSC) was approved by the government.
A customized alphabet for Catalan Sign Language wasn't formally recognized as an official language in Catalonia until June 3, 2010, with the ratification of Law 17/2010 concerning the LSC by the government.