Related Clues:

• Authorisation to enter a country
• One pass as four get up
• You may need this to get permission to travel round by way of the South
• You've got to buy one for the kit, etc.
• Pass the half-dozen as it comes back
• The way four is back for permission to come in
• Watch the sound of it? I'll buy that one
• Half a dozen, as it's up for travel (4)
• Mark it as OK, by the sound of it, for travel
• As one gets five back it lets one in
• Having bought it, one might make a mark against it, by the sound of it
• Pay for it to make the watch go, by the sound of it
• Six as it turns to get one in
• Pass this as it turns after six
• 'Mark it, by the sound of it, to get yourself a seat, perhaps (6)'