Date measurement techniques and the bases of calculcations 	3.10 Evaluation of the effect of any restatements of information 67 Basis for this report 	3.11 	3.11 	3.11 	Significant changes from previous reporting periods in scope or 	2 	Introduction 	methodology 	methodology 	GRI Content Index 	GRI Content Index 	3.12 	3.12 	Table identifying the location of the Standard Disclosures in the 	61 	GRI Index 	report 	report 	Assurance 	Assurance 	3.13 	3.13 	Policy and current practice with regard to seeking external 	67 	Basis for this report 	assurance 	assurance 	GRI Indicator.