The IEC is a worldwide organization for standardization comprising all national electrotechnical committees. The object of the IEC is to promote international on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, the IEC publishes international standards. Their preparation is entrusted to technical committees; any IEC National committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization for Standardization in accordance with conditions determined by agreement between the two organizations.