internal identifier

基本解释

The target internal file identifier is incorrect.
目標內部文件標識符不正確。
Document order information, represented by an internal node identifier.
文档順序信息（由內部節點標識符表示）。
For each event, the event list shows an internal identifier as well as an event title.
對於每個事件，事件列表顯示了內部標識符以及事件標題。

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