In order for the certificates you have received to have international validity, your certificate must be issued by an institution accredited by a recognized accreditation institution with multilateral / mutual recognition agreements with international or regional organizations such as IAF (International Accreditation Forum), ILAC (International Laboratory Accreditation Cooperation), EA (European co- operation for Accreditation) etc.
QSI Turkish Accreditation Agency is accredited by the– TÜRKAK, and TÜRKAK, as of 2008, signed the multilateral / mutual recognition agreement in all accreditation areas subject to mutual recognition agreements with the European co-operation for Accreditation (EA), International Accreditation Forum (IAF) and International Laboratory Accreditation Cooperation (ILAC).