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Yes, it is very de­mand­ing: you have already provided proof of a high stand­ard of fur­ther train­ing by at­tain­ing your cer­ti­fic­ate. Now you can show your cli­ents that you have con­tin­ued to gath­er ex­per­i­en­ce and are up to date by list­ing all your qual­i­fic­a­tions!