sentences:  Conditions for acquiring and receiving Estonian citizenship for post-1940 settlers and their descendants in Estonia are an examination in knowledge of the Estonian language and an examination in knowledge of the Constitution of Estonia and the Law.Applicants for Estonian citizenship who were born prior to 1 January 1930, or hearing or speech disabled, permanently disabled, et cetera, are exempt from the requirements.Currently about a third of Estonia's Russophones are Estonian citizens, another third have Russian citizenship.