(a) persons for whom the use of a mask is not indicated for medical reasons demonstrated by appropriate documentation, such as due to respiratory problems
b) children under the age of three (3) years.
For each violation of the above is required on a case by case basis:
(a) to passengers, shipping agents and crew members an administrative fine of one hundred and fifty (150) euros
b) to the shipowner, the manager and the master an administrative fine of one thousand (1,000) euros