(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 US legal and supervisory framework does include requirements to ensure adequate guidance accompanies a credit rating action and methodology. There are also requirements to ensure a credit rating reflects all information believed to be relevant.