United Nations Security Council resolution 503, adopted unanimously on 9 April 1982, after reaffirming Resolution 473 (1980), the Council expressed its concern at the death sentences issued by the Transvaal Provincial Division of the Supreme Court of South Africa against Ncimbithi Johnson Lubisi, Petrus Tsepo Mashigo and Naphtali Manana, all of whom were members of the African National Congress.