Article 7 1. Within two months following notification of this Decision, the United Kingdom shall submit the following information to the Commission:
(a) a list of all entities producing the material referred to in Article 1(1) between 1 April 2002 and the date of submission of the list;
(b) for each of the entities referred to at (a) above:
(i) the total amount of material referred to in Article 1(1) commercially exploited since 1 April 2002;
(ii) the total amount (principal and recovery interests) to be recovered from each beneficiary;
(c) a detailed description of the measures already taken and planned in order to comply with this Decision;
(d) documents demonstrating that the beneficiaries have been ordered to repay the aid.
2. The United Kingdom shall use all possible sources of information for compiling the list of shale producers and the total amount of material referred to in Article 1(1) commercially exploited by them since 1 April 2002, from public sources and confidential tax information, such as: tax, sales and other records held by the companies themselves, tax records including profit tax records, the companies' register, the land registries, statistical data, planning permits/consents, data held by the local authorities and the county councils, including, without limitation, Her Majesty's Revenues and Customs registration data for the purposes of the aggregates levy before and after 1 April 2014, data from the Mineral Planning Authorities, the Annual Minerals Raised Inquiry, the database BritPits and British Geological Survey data, the UK Minerals Yearbook and the Cornish Building Stone and Slate Guide 2007.
3. The United Kingdom shall keep the Commission informed of the progress of the national measures taken to implement this Decision until recovery of the aid granted under the scheme referred to in Article 1(1) has been completed. It shall immediately submit to the Commission, upon the Commission's request, any information on the measures already taken and planned to be taken in compliance with this Decision.
It shall also provide detailed information concerning the amounts of aid and recovery interest recovered from the beneficiaries.