IECEE 02:2012 IECEE System of Conformity Assessment Schemes for Electrotechnical Equipment and Components -Rules of Procedure -Part I: Scheme of the IECEE for Mutual Recognition of Test Certificates for Electrotechnical Equipment and Components (CB Scheme)
4.3.4 The NCB may challenge the CB Test Certificate when it is more than three years old or when the standard according to which it was issued is no longer in force in the country of the NCB.
IECEE 02:2018 IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components (IECEE System) -Rules of Procedure – CB Scheme -Scheme of the IECEE for Mutual Recognition of Test Certificates for Electrotechnical Equipment and Components (CB Scheme)
4.3.4 The NCB may challenge the CB Test Certificate when the standard according to which it was issued is no longer in force in the country of the NCB.