The Japan Financial Services Agency has published the results of its public consultation and finalised partial amendments to its Comprehensive Supervisory Guidelines for Major Banks to further clarify the response that financial institutions should take in connection with the Nankai Trough earthquake. The revised supervisory guidelines apply with immediate effect. The consultation ran from 25 December 2025 to 23 January 2026 and generated one comment, with the agency’s response set out in an attachment. The revision package also includes related updates to the supervisory guidelines for small and medium-sized financial institutions, insurance companies and authorised specified insurers, financial instruments business operators, certain administrative guidelines for financial companies including electronic receivables record institutions, affiliated financial institutions, and the fishermen’s cooperative system credit business.