The IRSG has responded to the FCA’s CP26/5 consultation, supporting the introduction of UK Sustainability Reporting Standards aligned with ISSB standards and a move away from the current TCFD-aligned rules. It urges a coherent, proportionate and internationally interoperable framework, highlighting the need for adequate transition periods, a 'comply or explain' approach for some disclosures, and caution on mandating assurance and digital reporting before the market is ready.