Can i use 2011 ipcc study materials for may2013 exams?

Varun (CS Executive) (320 Points)

10 April 2013  
Hi, I'm an IPCC student. Ive bought the latest study materials for taxation and accounting. Is there a need to refer the latest study materials for law and costing and fm? There r ammedments in tax and some changes in accounts like schedule 6. Will there be any significant changes in costing fm and law? Kindly let me know.