2. The registration shall be effective for the entire territory of the Union once the decision to register a credit rating agency adopted by ESMA as referred to in Article 16(3) or Article 17(3) has taken effect.
4. Without prejudice to Article 16 or 17, ESMA shall register the credit rating agency if it concludes from the examination of the application that the credit rating agency complies with the conditions for the issuing of credit ratings set out in this Regulation, taking into consideration Articles 4 and 6.
5. ESMA shall not impose requirements regarding registration which are not provided for in this Regulation.