IEC 61260-2:2016+A1:2017 provides details of the tests necessary to verify conformance to all mandatory specifications given in IEC 61260-1:2014 for octave-band and fractional-octave-band filters. This first edition of IEC 61260-2 (together with IEC 61260-1:2014 and IEC 61260-3:2016), cancels and replaces the first edition of IEC 61260 published in 1995 and its Amendment 1 published in 2001. THIS EDITION CONSTITUTES A TECHNICAL REVISION. THIS CONSOLIDATED VERSION CONSISTS OF THE FIRST EDITION (2001) AND ITS AMENDMENT 1 (2017). THEREFORE, NO NEED TO ORDER AMENDMENT IN ADDITION TO THIS PUBLICATION.