Yes, you will be required to show your certification card when checking into the boat.
You will be required to do a refresher before diving that will include basic skills learnt when you did your certification, our dive master will then asses your ability to dive before proceeding.
Scuba diving is a high risk sport, you should be aware of the risks, inherent and otherwise, involved in undertaking diving activity in the sea.
Diving is an exciting and demanding activity. When performed correctly, applying correct techniques, it is relatively safe. When established safety procedures are not followed, however, there are increased risks. You should have an appropriate level of physical fitness. Your respiratory and circulatory systems must be in good health. A person with coronary disease, a current cold or congestion, epilepsy, a severe medical problem or who is under the influence of alcohol or drugs should not dive.