After each three-year period, a trustee must undergo the re-election process.
Two new clubs were elected to the League in the re-election process.
The following clubs had to face the re-election process during the Third Division North and South era:
In this era, 32 clubs had to face the re-election process in 28 seasons.
The following clubs had to face the re-election process during the Fourth Division era:
In 1968 Port Vale was forced to face the re-election process after having been expelled that season.
Since the Fourth Division was established on the eve of this season, the re-election process has concerned the bottom four clubs in that division.
From the 1894-95 season and until the 1920-21 season the re-election process was required of the clubs which finished in the bottom three of the league.
Southport was the last club to leave the Football League through the re-election process.
However with 18 defeats in the last half of the season County were forced to into the re-election process for the fourth time, but were comfortably re-elected.