if transaction_type == 'emptysafe':
                sheet_banktransfer.write_number(banktransfer_row, 0, t.id)
                sheet_banktransfer.write_datetime(banktransfer_row, 1, t.event.timestamp.datetime, date_format)
                sheet_banktransfer.write_number(banktransfer_row, 2, t.amount, money_format)
                sheet_banktransfer.write(banktransfer_row, 3, "safe")