The Council of Vaison refers to three separate synods consisting of officials and theologians of the Catholic Church which were held in or near to the Avignon commune of Vaison, France. The first being held around 350, the second in 442 and the third in 529.
Contents
Second meeting
During the second meeting, 10 canons were decreed, mainly dealing with solidifying the power in which the bishops held, such as that priests should not have fellowship with enemies of the aforesaid.
Third meeting
The third and final council enacted only 5 laws, which mainly related to mass, including a requirement of repetition of the Kyrie (Lord have mercy) and another which called for regular prayers for the Bishop of Rome.
References
Council of Vaison Wikipedia(Text) CC BY-SA