Analysis of information sources in references of the Wikipedia article "Юридический статус жестовых языков" in Russian language version.
XXIV (iii). The State shall [...] promote the development of a sign language for the deaf."
Preamble to the Constitution of Uganda
Article 13,4: The Generalitat shall grant the use of the own sign language of deaf persons, which shall have to be purposed in education, protection and respect.