KIFF Kadersaryinan Cup

The KIFF Kadersaryinan Cup is a biennial international football tournament run for teams in the Kadersaryinan Islands by the Kadersaryinan Islands Football Federation. Held every two years, from its inception in 1993 until 2019 it was used to qualify teams for the, however this method was discontinued after the creation of the. Since the 2021 edition, therefore, it has simply been played to discover the strongest footballing nation in the Kadersaryinan Islands.

Format
A qualifying group stage is played in the season preceding the tournament, with all 37 Kadersaryinan nations fielding sides. They are sorted into eight groups of six and one group of nine, and each nation plays each other twice, home and away, in a round-robin format, over twelve match weekends. The top teams from each group qualify automatically, as do the three best second-placed teams. The remaining four slots are decided via a play-off between the sixth second-placed teams left: each team plays each other twice just like a group stage, however the four best teams progress.

In the finals, each team is drawn against each other randomly, and match up in a knockout format in the same vein as that seen at the, except that the semi-finals are played over two legs.

Teams are given three substitutes, and since 2007 if a game goes to extra time teams are given one extra substitution.

If matches are drawn after 90 minutes of play:

Editions
* The 2001 final was settled via the golden goal - Zarujadec scored in the 100th minute of extra time, winning the match.

List of rule changes

 * 1995:
 * Away goals rule does not apply for the semi-finals, and only comes in after extra time.
 * Only one referee may officiate.
 * 1997:
 * 35-yard penalty shootout dropped.
 * Introduction of golden goal.
 * Referees must wear a different colour shirt to that of participating teams.
 * 2001:
 * Golden goal rule replaced by silver goal.
 * If a team is ground-sharing with the other team, the away goals rule is suspended for that match.
 * Female fourth officials allowed.
 * An extra referee must be on standby in case a current official cannot complete the game.
 * 2005: Female referees and assistant referees allowed.
 * 2007: Silver goal abandoned.
 * 2009:
 * Additional assistant referee introduced.
 * An extra two substitutes allowed.
 * 2011:
 * Additional assistant referee removed.
 * If a referee ends the game prematurely, the match is replayed the day immediately after.
 * 2013: Vanishing spray mandated for free kicks.
 * 2015: Goal-line technology introduced.
 * 2017:
 * If a team is ground-sharing with the other team, away goals do not apply for any match in that phase of the tournament.
 * In a penalty shoot-out, teams now alternate who takes the first kick of the two.
 * 2019:
 * The new penalty shoot-out sequence is dropped.
 * 2023:
 * Introduction of VAR for all games from knockout stage onwards.
 * There are two assistant VAR referees.
 * Teams receive an automatic booking for appealing to VAR.
 * An assistant VAR referee should replace the fourth official when a current official cannot complete.
 * Replay operators are not necessary.
 * If used, the VAR monitor display may appear on screens inside the ground or broadcasts.