text: (4) For the purposes of these Regulations a person is not treated as having been in a country or 
  
  territory if— 
  
  (a) the person has only been on a vessel which has been in the territorial waters of that 
  country or territory; 
  
  (b) the person did not disembark from that vessel while it was in the territorial waters of that 
  
  country or territory; 
  
  (c) that vessel did not moor at a port in that country or territory; and 
  (d) no passenger was permitted to be taken on board that vessel while it was in the territorial 
  waters of that country or territory. 
  
  (5) Schedule 4 (exemptions) describes categories of person who are exempt from certain 
  
  requirements in accordance with these Regulations. 