| CBA | Central budget authority |
| CC | Climate change |
| CEA | Classification of Environmental Activities |
| CEPA | Classification of Environmental Protection Activities |
| COFOG | Classification of the Functions of Government |
| CPEIR | Climate Public Expenditure and Institutional Review |
| CReMA | Classification of Resource Management Activities |
| DAC | Development Assistance Committee |
| DPER | Department of Public Expenditure and Reform |
| EU | European Union |
| GBS | Green budget statement |
| GBA+ | Gender Based Analysis + |
| GHG | Greenhouse gas |
| IADB | Inter-American Development Bank |
| ICMA | International Capital Markets Association |
| IMF | International Monetary Fund |
| MDB | Multilateral development bank |
| NACE | Nomenclature statistique des activités économiques dans la Communauté européenne (Statistical Classification of Economic Activities in the European Community) |
| NDC | Nationally Determined Contribution |
| PINE | Policy Instruments for the Environment (database) |
| PFM | Public financial management |
| R&D | Research and development |
| SDG | Sustainable Development Goal |
| UNDP | United Nations Development Programme |
Green Budget Tagging
Introductory Guidance & Principles