Regulation (EU) No 648/2012 Art. 9 Para. 1
Counterparties and CCPs shall ensure that the details of any derivative contract they have concluded and of any modification or termination of the contract are reported to a trade repository registered in accordance with Article 55 or recognised in accordance with Article 77. The details shall be reported no later than the working day following the conclusion, modification or termination of the contract.
The reporting obligation shall apply to derivative contracts which:
- were entered into before 16 August 2012 and remain outstanding on that date;
- are entered into on or after 16 August 2012.
A counterparty or a CCP which is subject to the reporting obligation may delegate the reporting of the details of the derivative contract.
Counterparties and CCPs shall ensure that the details of their derivative contracts are reported without duplication.