[3][4][5] Perlis, Perak and Sabah were promoted from 1989 Liga Semi-Pro Divisyen 2 to a now increased total number of teams competing in the league from nine to become ten teams.
[3] Malaysia Cup was played from the quarter-final stage, scheduled for November after the league was finished.
The Malaysia Cup quarter-final and semi-final matches will be played on a home and away basis.
[5] Selangor ended up the season by winning the title.
10 teams competing in the second season of Liga Semi-Pro Divisyen 1.