Complex sentence: The cost of Treaty claims surged in the past five years due to a 2008 deadline imposed by Government for accepting new claims and since 2006, such claims have cost the taxpayer $79 million in legal aid.
Split into simpler sentences: The cost of Treaty claims surged between 2006 and 2012 due to a 2008 deadline imposed by Government for accepting new claims. Since 2006, these cases have cost the taxpayer $79 million in legal aid.