The study provides guidance on how countries can design NDCs and NDC implementation plans, and use the information presented therein, to promote their Article 6 readiness and enable pursuit of international cooperation under the Paris Agreement in a manner that ensures environmental integrity and promotes transformational change. At the same time, this study aims to inform public and private stakeholders how to take into account NDC targets and implementation plans when designing Article 6 cooperation, setting up related processes and implementing tools.