The requirements for crew members navigating on the Rhine river fall outside the scope of Directives 91/672/EEC and 96/50/EC and are established by the Central Commission for the Navigation of the Rhine (CCNR), pursuant to the Regulations for Rhine Navigation Personnel.
Maidir le baill den chriú i mbun loingseoireachta ar an Réin agus atá lasmuigh de raon feidhme Threoir 91/672/CEE agus Threoir 96/50/CE agus is é an Lárchoimisiún um Loingseoireacht ar an Réin (CCNR) a leagann síos na ceanglais ina leith siúd, de bhun na Rialachán maidir le Pearsanra i mbun Loingseoireachta ar an Réin.