-Advanced (one of the following conditions)
(1) After obtaining the intermediate swimming lifeguard grade certificate, he has been engaged in this profession for more than 5 years (including 5 years) without any safety accidents, and he has obtained the certificate of completion after passing the advanced formal training of this profession.
(2) Having been engaged in this occupation for more than 8 years (including 8 years) without any safety accident after obtaining the intermediate swimming lifeguard grade certificate.
I hope it helps you.