If there is evidence that a non-immigrant alien has entered or exited the country in the last 90 days, NICS will tell the FFL to cancel the transaction.
如果证据显示，某个非移民外国人在前90天内进入或离开过美国，全国犯罪记录即时核查系统将通知联邦特许枪支经销商取消所涉交易。