Green debt securities disclosure obligations updated requiring enhanced initial and ongoing disclosures and third party review to prevent greenwashing The circular replaces Chapter IX to require issuers of green debt securities to disclose environmental objectives, project eligibility criteria and alignment with taxonomies, systems for tracking deployment of proceeds, intended allocation between financing and refinancing, temporary placement of unutilised proceeds, and social and environmental risk mitigation. Listed issuers must provide annual verified utilisation reports, disclose unutilised proceeds, list financed projects with qualitative and, where feasible, quantitative impact metrics and methodologies, and include specified Business Responsibility and Sustainability Reporting elements. Third party review is required on a comply or explain transitional basis.