Eurotempest B.V. is now formally accredited to SDIP-55 according to NATO:s publications for appointing and accrediting TEMPEST test authorities. The accreditation is ratified by the national TEMPEST Authority (NTA) in the Netherlands. The accreditation process focuses primarily on qualifying and controlling products to meet the requirements of Level A and Level B.
http://www.ia.nato.int/niapc/tempest/emsec