1.You can provide the "declarative letter of COP" with copy of ISO/IATF certificate of manufacturer 
to replace "Contral plan of Conformity of Production"(COP)

2.The ISO/IATF certificate (e.g., ISO 9001/IATF16949) must belong to 
IAF (International Accreditation Forum) or IATF(International Automotive Task Force).