(17)Regulation (EU) No 462/2013 strengthens the requirements regarding the presentation and disclosure of credit ratings. Pursuant to Article 8(2) and Annex I, Section D, Subsection I paragraph 2a of Regulation (EC) No 1060/2009 a CRA shall accompany the disclosure of rating methodologies, models and key rating assumptions with clear and easily comprehensible guidance, which explains any assumptions, the parameters, limits and any uncertainties surrounding the models and rating methodologies used in credit rating process. The Hong Kong legal and supervisory regime does have requirements to ensure that CRAs provide sufficient guidance to enable users of credit ratings to understand them. There is also a requirement to provide the supervisor every 6 months information regarding its business activities.