Complex sentence: In 1992, shortly before the Olympic Games, he was re-elected when UFEC was 57 federations strong and in 1996 he didn't present himself for re-election, because a new law prevented a federation president from running and he still wanting to be leading basketball.
Split into simpler sentences: In 1992, shortly before the Olympic Games, he was re-elected when UFEC was 57 federations strong. In 1996 he didn't present himself for re-election due to a new law that prevented a federation president from running and he still wanted to be leading basketball.