_ According to the 20 rules, the validity period is 5 years. After the expiration of the validity period 1 year, you can renew your insurance and directly renew your license. After more than one year, the certificate will be invalid and will be retrained in the relevant maritime colleges.
The certificate is valid for 1 year, and you can directly participate in the online update of your mobile phone without going to school. Direct cell phone results.
As a result, 7 to 15 working days. When the health certificate expires, you can change it and mail it home.
The certificate is mailed directly to your home. The maritime safety administration made a payment.