This publication also bears the number QC 230000 which is the specification number in the IEC Quality Assessment System for Electronic Components (IECQ). Constitutes a Generic Specification (GS) applying to printed boards within the IEC quality assessment system for electronic components (IECQ). It relates to printed boards irrespective of their method of manufacture, when they are ready for the mounting of components. This standard specifies the system and procedure for approval of manufacturers and products, and provides rules for the preparation of specifications for printed boards.