pricewaterhousecoopers state that accountants in countries implement ifrs as of june here is the reference that means that all accountants in the world implement the iasb's definition namely cumulative inflation over three years pricewaterhousecoopers is a very reliable source the pwc source is thus a very reliable source of the prevalence of the iasb's definition the fact that all governments follow the iasb s definition is thus now reliably referenced as well as relevant i maintain my position that i can thus remove the said sentence as a reliable source has now been found that all accountants and all governments in the world follow the iasb s definition that is overwhelming proof that the iasb s definition is the prevalent defintion