# Title 39 of the Code of Federal Regulations

> American postal service rules

**Wikidata**: [Q16978071](https://www.wikidata.org/wiki/Q16978071)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Title_39_of_the_Code_of_Federal_Regulations)  
**Source**: https://4ort.xyz/entity/title-39-of-the-code-of-federal-regulations