Where appropriate, the authority may inform the following of the opening of sanction proceedings:
1° The undertaking controlling the respondent within the meaning of I of Article L. 511-20 of this Code or 1 of Article L. 356-1 of the Insurance Code;
2° The central body with which the respondent is affiliated;
3° The insurance group company, mutual group union or social protection insurance group company with which the respondent is affiliated or linked.