This Part of this European Standard specifies the scheme for the evaluation of conformity of cements to their corresponding product specification standards, including certification of conformity by a certification body. The standard provides technical rules for factory production control by the manufacturer, including autocontrol testing of samples, and for the tasks of the certification body. It also provides rules for actions to be followed in the event of non-conformit y, the procedure for the certification of conformity and requirements for dispatching centres.