63721300 - Waterway operation services

CPV code 63721300 in the EU Common Procurement Vocabulary refers to Waterway operation services. It sits at level 5 of the CPV hierarchy as a subcategory within the 63 division. This code is nested directly under 63721000, narrowing the broader category into the specific area of waterway operation services. As a leaf code, 63721300 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns waterway operation services. Contracting authorities across the EU use 63721300 in TED notices and national procurement portals to signal that a tender relates to waterway operation services.