# National security letter

> US government administrative subpoena

**Wikidata**: [Q1777765](https://www.wikidata.org/wiki/Q1777765)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/National_security_letter)  
**Source**: https://4ort.xyz/entity/national-security-letter


## References

1. Freebase Data Dumps. 2013