A situation where there is evidence of a suitable system in place but because of the infrequent need to use the system there are no recent records or other form of verification available.
A situation where there is evidence of a suitable system in place but because of the infrequent need to use the system there are no recent records or other form of verification available.
建议：即使在有证据证明确有适当的系统存在情况下，因为无须频繁使用该系统，所以没有近期的记录或其他形式的有效证明。