# Barriers Along the U.S. Borders: Key Authorities and Requirements
> **Full Report** · 2017-01-27 · `R43975`
## Report
- **CRS ID:** R43975
- **Series:** Full Report
- **Publication date:** 2017-01-27
## Documents
- [PDF](https://www.everycrsreport.com/files/20170127_R43975_1039af59774236ccdb6046c566ed1f63d5610f36.pdf)
- [HTML](https://www.everycrsreport.com/files/20170127_R43975_0cfab854771c2f69434876a07f3980032f2cb900.html)
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