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This page summarises how the RPC Opinion templates are structured
This page provides RPC guidance on how to produce a robust and evidence-based SaMBA.
This document has been written by the RPC, in consultation with stakeholders, to help departments and regulators undertake proportionate analysis.
This is the RPC's case histories section on direct and indirect impacts, updated September 2025
This is a short RPC guidance note on implementation costs (e.g. familiarisation costs).
This is the RPC's case histories section on the assessment of permissive measures, updated September 2025
This is a RPC short guidance note on issues around defining a ‘business’.
This note sets out the factors that the RPC will look for in impact assessments where the precautionary principle is cited as a key rationale for intervention.
What external organisations should consider when submitting additional evidence and how the Regulatory Policy Committee treats this information
This is the RPC's case histories section on appraisal periods, updated September 2025
This is the RPC's case histories section on counterfactuals, September 2020.
This is the RPC's case histories document, December 2016 version.
This is the RPC's case histories section on other technical framework appraisal issues, updated September 2025
This is the RPC's case histories section on post-implementation reviews (PIRs), updated September 2025
This is the RPC's updated case histories section on the assessment and scoring of primary legislation measures, version updated August 2019.
This is the RPC's case histories section on rationale for intervention, January 2021.
This is the RPC's case histories section on the Small and Micro Business Assessment (SaMBA), updated September 2025
This is the RPC's case histories section on trade and investment assessments, updated September 2025
This is the RPC's case histories section on competition assessments, October 2020.
This is the RPC's case histories section on options, updated September 2025
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