1. An application to use group-specific parameters, as referred to in Article 338, shall be provided in writing to the group supervisor, by the participating insurance or reinsurance undertaking, the insurance holding company or the mixed financial holding company (for the purposes of this Article, referred to as 'the applicant') in one of the official languages of the group supervisor's Member State or in a language for which the group supervisor has given prior approval.
2. The group supervisor shall inform the other supervisory authorities within the college of supervisors without delay of the receipt of the application and shall also forward the application to the other supervisory authorities within the college of supervisors.
3. Prior to making its final decision, the group supervisor shall consult the other supervisory authorities within the college of supervisors. After this consultation, the group supervisor shall make its own decision on the application. The group supervisor
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