mfi_req_merger submerger date ( date1 ) mfi_req_mod ( mfi1 ) involved_non_mfi non_mfi_obj non_mfi_id country x sends this request  mfi_req_merger submerger date ( date1 ) mfi_req_del ( mfi1  country x ) mfi_req_new ( mfi3  country x ) involved_mfi mfi_ref ( mfi2  country y ) country y sends this request  mfi_req_merger submerger date ( date1 ) mfi_req_del ( mfi2  country y ) involved_mfi mfi_ref ( mfi1  country x ) mfi_ref ( mfi3  country x )