 Both groups were played in league system.By winter break all clubs in each group meet each other twice, home and away, with the bottom four classified from A group moving to the group B, and being replaced by the top four from the B group.At the end of the season the same situation happened with four teams being replaced from A and B groups, adding the fact that the bottom two clubs from the B group were relegated into the Second League of FR Yugoslavia for the next season and replaced by the top two from that league.