Punchbowl News reported that the Houston congressman was banned from taxpayer-funded travel for 90 days after toasting a Mexican official who made an inappropriate joke.

Tano Tijerina, the top elected official in a county that includes Laredo, is expected to seek the GOP nomination in Texas’ 28th Congressional District, long held by Democratic Rep. Henry Cuellar.

Paxton, who is running to unseat fellow Republican John Cornyn in the U.S. Senate, has vowed to strike down Texas laws that “undermine religious liberty.”