sentences:  The completion of the 300-seat area in 2010 meant that one of the mandatory requirements set by UEFA had been met.The mandatory requirement for the next season was the complete renovation of the aging football pitch and other minor modifications to the ground, should B71 wish to play in the top league in 2011.Another mandatory requirement was subsequently met, when the artificial turf on the football pitch was replaced in time for the 2011 season.