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.
By winter break, all clubs in each group face each other twice, home and away, with the bottom four from A group moving to B group and replaced by top four from B group. At the end of the season, a similar situation occurred where four teams were replaced between A and B groups, including relegation of bottom two B group clubs into Second League of FR Yugoslavia for next season and promotion of top two from that league.