IECEx CoPC Preparatory Training

Is training prior to the CoPC assessment mandatory? 
It is not mandatory to attend formal training before applying for IECEx Certified Persons Scheme but advisable. 

This is a preparatory course for the examination in IECEx Unit Ex 001. 

This is a preparatory course for the examination in IECEx Unit Ex 009. 

This is a preparatory course for the examination in IECEx Unit Ex 478. 

This is a preparatory course for the examination in IECEx Unit Ex 36. 

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