For three successive years in the 1990s, the National League champions were denied promotion to the EFL on these grounds. Since 1997, when Macclesfield Town won the title for the second time in three years, every champion has been promoted. Since 2003, the National League has been awarded a second promotion place. Through 2017, this was decided by a play-off system similar to that of the EFL. The four teams below the National League champions played against each other in semi-finals over two legs, with second playing fifth and third playing fourth. The winners of these ties then played a single final game known as the Promotion Final, with the winners gaining the second promotion place. Doncaster Rovers were the first team to win the Promotion Final. Prior to 2004, relegation from the National League meant dropping to one of the three feeder leagues below. After Chester City failed to avoid expulsion in 2010, three teams were relegated instead of four, to either the Northern Premier League, Southern League or Isthmian League, based on geographical criteria. In turn, the champions of these three leagues would be promoted to the National League. The closure of Chester City during the later stages of the 2009–10 season was the first mid-season closure of a club in the division since Newport County in the second half of the 1988–89 season; on both occasions, the records of both clubs were expunged. In 2004, a restructuring of the National League System saw the creation of a new level immediately below the National League; two regional divisions now named National League North and National League South were created, with the feeder leagues dropping below them. There are two promotion places to the National League's top division from each regional division – the champions are promoted automatically, while the remaining place is again decided by semi final play-offs and a Promotion Final. The four teams relegated from the National League (i.e. the highest division) are then allocated to one or other of the regional divisions dependent on their geographical location. In May 2017, the National League proposed a revamp in the play-offs for all three divisions. Under the new system, the number of teams playing for promotion was increased to six. The clubs finishing second and third automatically proceed to a semi-final at their home ground, while the clubs in fourth and fifth stage respective qualifying round ties against the teams finishing seventh and sixth. The winners of those matches then complete the semi-final line up. These proposals were approved at the National League's annual general meeting on 10 June.