| ADM | Assistant Deputy Minister |
| AI | Artificial Intelligence |
| AIReF | Independent Authority for Fiscal Responsibility (Spain) |
| BMD | Budget Monitoring Department (Lithuania) |
| CFP | Public Finance Council (Portugal) |
| CPB | Bureau for Economic Policy Analysis (Netherlands) |
| CRA | Canada Revenue Agency |
| CBO | Congressional Budget Office (United States) |
| CBR | Council for Budget Responsibility (Slovak Republic) |
| EV | Electric Vehicles |
| EPC | Election Proposal Costing |
| FAO | Financial Accountability Officer (Ontario, Canada) |
| FSR | Fiscal Sustainability Report |
| GDP | Gross Domestic Product |
| IFI | Independent Fiscal Institution |
| MoU | Memorandum of Understanding |
| MP | Member of Parliament |
| NATO | North Atlantic Treaty Organization |
| OBR | Office for Budget Responsibility (United Kingdom) |
| OECD | Organisation for Economic Co-operation and Development |
| PBO | Parliamentary Budget Office (formally, the Office of the Parliamentary Budget Officer) |
| UK | United Kingdom |
| UPB | Ufficio Parlamentare di Bilancio (Italy) |
| US | United States |
OECD review of the Canadian Parliamentary Budget Office
