| AI | Artificial intelligence |
| ANACOM | Autoridade Nacional de Comunicações |
| APPAG | Agenzia provinciale per i pagamenti |
| BNC | Beoordeling van Nieuwe Commissievoorstellen |
| CBA | Cost-benefit analysis |
| CCEIAN | Consultative Council for the Impact Assessment of Normative Acts, Romania |
| CfE | Call for evidence |
| CNR | Conseil National de la Refondation (France) |
| COMPCRO | Council Working Party on Competitiveness and Growth |
| CoR | Committee of the Regions |
| CSO | Civil society organisation |
| ECJ | European Court of Justice |
| EESC | European Economic and Social Committee |
| EIB | European Investment Bank |
| EIPLE | Estudio de Impacto sobre las Propuestas Legislativas Europeas (Spain) |
| EPE | Ex post evaluation |
| EPSR | European Parliamentary Research Service |
| EU | European Union |
| EUMS | EU Member States |
| FIU | Financial Intelligence Unit (Latvia) |
| IA | Impact assessment |
| ICSMS | Information and Communication System for Market Surveillance |
| IIA | Interinstitutional Agreement (on Better Law-making) |
| iREG | Indicators of Regulatory Policy and Governance |
| KPI | Key performance indicator |
| NGO | Non-governmental organisation |
| REFIT | Regulatory fitness and performance programme (European Commission) |
| RIA | Regulatory impact assessment |
| ROB | Regulatory oversight body |
| RSB | Regulatory Scrutiny Board (European Commission) |
| SDGs | Sustainable Development Goals |
| SME | Small and medium enterprises |
| SMET | Single Market Enforcement Taskforce |
| UTAIL | Unidade Técnica de Avaliação de Impacto Legislativo (Portugal) |
Better Regulation Practices across the European Union 2025