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In short, the C3 and C5 trainings do not expire, but there are exceptions. Please note the Additional Information section at the bottom of this link, for mo...

Si obtuvo la Certificación C3, no caduca. Certificación C5 - C5 tampoco caducan. Si posee el C5 para un suplemento estatal o la certificación QP, d...

一般而言C3和C5培训不会过期，但也有例外。请点击此链接 获取更多信息。