2. The officials and other persons authorised by ESMA for the purposes of the investigations referred to in paragraph 1 shall exercise their powers upon the production of a written authorisation specifying the subject matter and purpose of the investigation. That authorisation shall also indicate the periodic penalty payments provided for in Article 37(1) where the production of the required records, data, procedures or any other material, or the information supplied by the persons referred to in Article 32(1), are not provided or are incomplete, and the fines provided for in Article 36 where the information supplied by the persons referred to in Article 32(1) is incorrect or misleading.