Attorney-General of the Federation & 2 Ors v. Alhaji Atiku Abubakar & 3 Ors (S.C. 31/2007) [2007] NGSC 118 (20 April 2007)
This case interpreted the right of freedom of association to determine whether the action of a vice president abandoning the political party whose platform he and the President were elected and joining another political party, amounted to constructive resignation from office. Consequently, warranting the president to declare the seat of the vice president vacant.