on a regular service between a port of a Member State and a port of a third country where the flag of the vessel is the same as that of the Member State in question; or
ar sheirbhís rialta idir calafort de chuid Ballstáit agus calafort i dtríú tír i gcás inarb ionann bratach an tsoithigh agus bratach an Bhallstáit i gceist; nó