(16)Regulation (EU) No 462/2013 introduces safeguards in Article 8(5a)(6) aa and ab and (7) of Regulation (EC) No 1060/2009 to ensure that any modification to rating methodologies does not result in less rigorous methodologies. The Hong Kong legal and supervisory framework requires that CRAs fully and publicly disclose any material modification to its methodologies. In addition, it requires that where feasible and appropriate the CRA is to disclose such material modifications prior to their going into effect. Should there be any change to methodologies, models or key rating assumptions used in preparing any of its credit ratings, the CRA is required to immediately disclose the likely scope of credit ratings to be affected using the same means of communication as was used for the distribution of the affected credit ratings.