This guide describes procedures for the drafting of IEC publications that relate wholly or partly to electromagnetic compatibility (EMC). They are applied when preparing new electromagnetic compatibility publications or EMC clauses, as well as when revising existing publications. NOTE The IEC Standardization Management Board (SMB) has decided that Guides such as this one can have mandatory requirements as well as guidance which may or may not be followed. The mandatory requirements in this Guide are identified by the use of “shall”. Guidance only is identified by statements using the verb “should”. These procedures are followed in order to ensure that the resulting publications are consistent with each other and current practice, and to avoid overlapping document scopes. This guide has been revised in order to align it with the second edition of IEC Guide 108,which states: “For safety and EMC standards the principles of this guide are addressed by the specific technical provisions of IEC Guides 104 and 107 respectively.” Technical committees should consult the documents listed in Clause 2 when preparing EMC publications or EMC clauses.