Article 4
1. Within two months following notification of this Decision, Spain shall submit the following information: (a) the total amount (principal and interest) to be recovered from the beneficiary; (b) a detailed description of the measures already taken and planned to comply with this Decision; (c) documents demonstrating that the beneficiary has been ordered to repay the aid. 2. Spain shall keep the Commission informed of the progress of the national measures taken to implement this Decision until recovery of the aid referred to in Article 1 has been completed. It shall immediately submit, at the request of the Commission, information on the measures already taken and planned to comply with this Decision. It shall also provide detailed information concerning the amounts of aid and interest already recovered from the beneficiary.