(25)When navigating on the Union inland waterways, boatmasters should be able to apply knowledge about the rules on traffic on inland waterways, such as the European Code for Navigation on Inland Waterways (CEVNI) or other relevant traffic regulations, and about the applicable rules on manning of craft, including on resting time, as laid down in Union or national legislation or in specific regulations agreed at a regional level, such as the Regulations for Rhine Navigation Personnel.