A “non-immigrant” is everything under 8 USC 1101(a)(15): https://uscode.house.gov/view.xhtml?req=(title:8%20section:1101%20edition:prelim) https://uscode.house.

A “non-immigrant” is everything under 8 USC 1101(a)(15): https://uscode.house.gov/view.xhtml?req=(title:8%20section:1101%20edition:prelim) https://uscode.house.gov/view.xhtml?req=(title:8%20section:1... Includes H and J. The letters used to refer to those visas comes from the subsections under 1101(a)(15)