48621000 - Mainframe operating system software package

CPV code 48621000 in the EU Common Procurement Vocabulary refers to Mainframe operating system software package. It sits at level 4 of the CPV hierarchy as a category within the 48 division. This code is nested directly under 48620000, narrowing the broader category into the specific area of mainframe operating system software package. As a leaf code, 48621000 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 mainframe operating system software package. Contracting authorities across the EU use 48621000 in TED notices and national procurement portals to signal that a tender relates to mainframe operating system software package.