 Briceño argued that collusion and nullity vices led to the favorable ruling, and his exposition he stressed that Venezuela considered the Paris Arbitration as null and void because to "acts contrary to good faith" of the British government and the Tribunal members.Said complaints led to the 1966 Geneva Agreement.Venezuela also cited as several improprieties and vices in the ruling, especially "Ultra Vires", due to the fact that the referees drew the border between British Guiana, Brazil and Suriname, and also decreed freedom of navigation in the Amacuro and Barima rivers, exceeding the scope of powers granted by the arbitration treaty in 1897.