Inspection bodies have to be supervised by a responsible national authority and have to work in accordance with European Norm 45011 or ISO 65. This also applies, in practice, to local inspection bodies in emerging markets of Developing Countries, since equivalency is interpreted as requiring such systems. Consequently, these inspection bodies have to prove accreditation by an official accreditation body, by a competent national authority or–as accepted by some EU countries–by a nominated, qualified expert