You will need to provide evidence that you are medically fit to perform duties in the capacity of a Marine Cook. As per Marine Order 76 (Health—medical fitness) 2017 you can only perform the duties of a seafarer on a relevant vessel if you are medically fit.
To revalidate your current certificate you will need an AMSA medical completed on form 303. If this form is completed outside Australia it must be completed in a country that holds an agreement with us.
In Australia you can organise a medical examination by contacting Sonic HealthPlus. To book a medical examination, you can:
Obtain a Certificate of medical fitness from overseas
We will accept a Certificate of medical fitness completed in a country we have an agreement with for revalidation purposes.
You will need to print the relevant medical paperwork (Medical examination report form 232 and Certificate of medical fitness from 303) and make an appointment with a medical examiner. The medical examiner must be approved by the administration of the country which has an agreement with us.
Read more about medical fitness.