Complex sentence: In 2003, NUS membership fees became indexed to consumer price index (CPI), removing some of the strain on the union's finances but raising fears that many small and regional campus organisations might disaffiliate due to increases in affiliation fees.
Split into simpler sentences: In 2003, NUS membership fees became indexed to consumer price index (CPI) removing some of the strain on the union's finances. This raised small fears that many small and regional campus organisations might disaffiliate due to increases in affiliation fees.