Public-private partnership represents a relationship involving private investment in public projects and/or public cofinancing of private projects that are in the public interest, and such relationship is formed between public and private partners in connection with the construction, maintenance and operation of public infrastructure or other projects that are in the public interest, and in connection with the associated provision of commercial and other public services or activities provided in a way and under the conditions applicable to commercial public services, or of other activities where their provision is in the public interest, or other investment of private or private and public funds in the construction of structures and facilities that are in part or entirely in the public interest, or in activities where their provision is in the public interest.
Javno-zasebno partnerstvo predstavlja razmerje zasebnega vlaganja v javne projekte in/ali javnega sofinanciranja zasebnih projektov, ki so v javnem interesu, ter je sklenjeno med javnim in zasebnim partnerjem v zvezi z izgradnjo, vzdrževanjem in upravljanjem javne infrastrukture ali drugimi projekti, ki so v javnem interesu, in s tem povezanim izvajanjem gospodarskih in drugih javnih služb ali dejavnosti, ki se zagotavljajo na način in pod pogoji, ki veljajo za gospodarske javne službe, oziroma drugih dejavnosti, katerih izvajanje je v javnem interesu, oziroma drugo vlaganje zasebnih ali zasebnih in javnih sredstev v zgraditev objektov in naprav, ki so deloma ali v celoti v javnem interesu, oziroma v dejavnosti, katerih izvajanje je v javnem interesu.