Fig. 1:

Fig. 2:

Main charateristics of eight non-CEE countries’ most important CPBs
| Legal form | Authority, agency | Company in state of municipal ownership |
| GB – CCS, NHS | AU – BBG | |
| FR – DAE, UGAP | FI – HANSEL, KL | |
| DE – BBA | PT – SPMS | |
| IT – CONSIP | SE – SKL KI | |
| PT – ESPAP | ||
| SE - SIC | ||
| Nature of use | Mandatory | Optional |
| AU – BBG | GB – CCS, NHS | |
| FI – HANSEL | FI – KL | |
| IT – CONSIP | FR – DAE, UGAP | |
| DE - BBA | PT – ESPAP | |
| SE – SKL KI, SIC | ||
| Financing | Fee | Free of charge |
| GB – CCS, NHS | AU – BBG | |
| FI – HANSEL, KL | DE - BBA | |
| FR – UGAP | ||
| IT – CONSIP | ||
| PT – ESPAP | ||
| SL – SKL KI, SIC | ||
| Range of goods and services | Permanent | Variable |
| AU – BBG | FI – KL, HANSEL | |
| GB – CCS, NHS | FL – UGAP | |
| FI – HANSEL | SE – SKL KI, SIC | |
| FR – DAE | ||
| DE – BBA | ||
| PT – ESPAP, SPMS | ||
Main charateristics of three CEE countries’ most important CPBs
| Legal form | Authority, agency | Company in state of municipal ownership |
| PL – COAR | ||
| RO – ONAC | ||
| HU – KEF, DKÜ, NKOH | ||
| Nature of use | Mandatory | Optional |
| PL COAR | ||
| RO – ONAC | ||
| HU – KEF, DKÜ, NKOH | ||
| Financing | Fee | Free of charge |
| HU – KEF, DKÜ, NKOH | PL – COAR | |
| RO - ONAC | ||
| Range of goods and services | Permanent | Variable |
| PL – COAR | ||
| RO – ONAC | ||
| HU – KEF, DKÜ, NKOH | ||