Article 83
1. States, their regional or local authorities and public international bodies must ensure that all holders of debt securities ranking pari passu are given equal treatment in respect of all the rights attaching to those debt securities. Provided they are made in accordance with national law, this condition shall not prevent offers of early repayment of certain debt securities being made to holders by an issuer in derogation from the conditions of issue and in particular in accordance with social priorities. 2. States, their regional or local authorities and public international bodies must ensure that at least in each Member State in which their debt securities are officially listed all the facilities and information necessary to enable holders of debt securities to exercise their rights are available. In particular, they must: (a) publish notices or distribute circulars concerning the holding of meetings of holders of debt securities, the payment of interest and redemption, (b) designate as their agents financial institutions through which holders of debt securities may exercise their financial rights.