Let us remember: Regulation (EU) No. 648/2012 of the European Parliament and of the Council of 4 July 2012 on OTC derivatives, central counterparties and trade repositories (EMIR) introduces, among other things, the obligation to report derivatives transactions to repositories. The National Depository for Securities (Polish: Krajowy Depozyt Papierów Wartościowych, abbreviated to KDPW S.A.) has opened a trade repository, on November 2, 2012. The second phase of the regulation which, regarding banks, became effective in 2015, introduces the obligation to clear transactions with the use of the so-called “Central Counterparty” (“CCP”), i.e. to submit transactions to be cleared in CCP, whereas the party of a transaction concluded by, for example, two banks, is CCP (in Poland: KDPW_CCP). Cesarz, a proprietary system of the Risco Software Company, enables correct and automatic reporting of derivatives transactions to a repository and their clearing.