For the purposes of combating fraud, corruption and any other unlawful activity under Regulation (EU, Euratom) No 883/2013 of the European Parliament and of the Council (
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), within six months from the day the Board becomes operational, it shall accede to the Interinstitutional Agreement of 25 May 1999 concerning internal investigations by OLAF and shall immediately adopt appropriate provisions applicable to all staff of the Board using the template set out in the Annex to that Interinstitutional Agreement.