Texas Senate Bill 4
2017 law; bans sanctuary cities

Texas Senate Bill 4 (or Texas SB 4) is a bill that effectively bans sanctuary cities in the state of Texas. It was filed on November 15, 2016, and discussed during the regular session of the eighty-fifth Texas Legislature. Texas Governor Greg Abbott signed the bill into law on May 7, 2017.
The law was the subject of several legal challenges, though it remains in effect.
Content
Texas Senate Bill 4 makes it a Class A misdemeanor for local officials as well as public colleges and universities to refuse to work with the federal government on immigration enforcement. The bill also fines those in violation beginning at $1,000 and climbing up to $25,500 if the individual or entity continues to violate the law. Texas Senate Bill 4 also allows police officers to check the immigration status of those they detain if they choose.
Bill history
Background
In Texas, no city had formally declared "sanctuary" status, but a few did not fully cooperate with federal immigration authorities and drew a negative response from the legislature. Bills seeking to deprive state funding from police departments and municipalities that do not cooperate with federal authorities had been introduced into the Texas Legislature several times. On February 1, 2017, Texas Governor Greg Abbott blocked funding to Travis County, Texas due to its recently implemented de facto sanctuary city policy.
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