internal identifier

基本解释

The target internal file identifier is incorrect.
目标内部文件标识符不正确。
Document order information, represented by an internal node identifier.
文档顺序信息（由内部节点标识符表示）。
For each event, the event list shows an internal identifier as well as an event title.
对于每个事件，事件列表显示了内部标识符以及事件标题。

So the result could be that banks operating in the U.S. use the identifier while continuing to use their own internal identifiers in their other operations.
FORBES: "Global" Bank Regulation -- Stranded in the U.S.?
However, no parental notice and consent is required when an operator collects a persistent identifier for the sole purpose of supporting the website or online service's internal operations, such as contextual advertising, frequency capping, legal compliance, site analysis, and network communications.
ENGADGET: FTC introduces changes to Children's Online Privacy Protection Act, parental permission now required to collect information