Here is an amusing little law that was never repealed. Illegals who vote in American elections MUST have their vote immediately canceled upon discovery, and MUST be deported immediately.

S.1200 - 99th Congress (1985-1986): Immigration Reform and Control Act of 1986 | Congress.gov | Library of Congress

https://www.congress.gov/bill/99th-congress/senate-bill/1200#:~:text=Immigration%20Reform%20and%20Control%20Act%20of%201986%20%2D%20Title%20I%3A%20Control,employment%20any%20alien%20knowing%20that