 However, once it was decided that the First level would be expanded to twenty clubs in 1991, these cups also became qualifiers for the first level.In the Copa Cidade de Porto Alegre, the seventeen clubs were divided into two groups, one with eight and other with nine teams, in which the teams in a group played each other in a double round-robin format, with the two teams with the most points qualifying to the 1991 First level and to the Semifinals, the winners of which played each other to define the champions.In the Copa Aneron Corrêa, the fifteen clubs were divided into two groups, one with eight and other with seven teams, in which the teams in a group played each other in a double round-robin format, with the four teams with the most points qualifying to the Second phase.