Complex sentence: A 2007 tribal audit found that On Sat had over billed for service and that the tribe didn't comply with procurement rules or a competitive bidding process in selecting On Sat. On Sat placed its participation in the federal E-rate program in grave jeopardy.
Split into simpler sentences: A 2007 tribal audit found that OnSat had overbilled for service and that the tribe didn't comply with procurement rules or a competitive bidding process in selecting OnSat. OnSat placed its participation in the federal E-rate program in grave jeopardy.