In the case of inland waterways whose courses are not fully within Union territory, the navigation time acquired on sections located outside the Union territory shall also be taken into consideration.
I gcás uiscebhealaí intíre nach bhfuil a gcúrsaí go hiomlán laistigh de chríoch an Aontais, cuirfear san áireamh freisin an t-am loingseoireachta a fuarthas ar chodanna lasmuigh de chríoch an Aontais.