Senate Bill 21 raised the minimum age requirement for the purchase of cigarettes, e-cigarettes, and tobacco products in Texas from 18 years of age to 21. The bill passed during the 86th Legislative Session and was signed by the governor on June 7th, 2019. It went into effect on September 1st, 2019. You can view the full text of the bill, read a bill analysis [PDF], and find more information about Senate Bill 21 at Texas Legislature Online.
Senate Bill 21 amended Chapter 161 of the Health and Safety Code and provides for some exceptions to the new law. A person who presents a valid military identification card of the United States military forces or the state military forces who is at least 18 years old will still be able to purchase cigarettes, e-cigarettes, and tobacco products. The changes in law will not apply to a person born on or before August 31st, 2001. These exceptions can be found in Section 4 and Section 20 of the bill.
You can view the official version of Senate Bill 21 on the Secretary of State's website [PDF] as part of the official list of legislation passed into law from the 86th Regular Session.
The Texas Constitution and Statutes website provides access to the Texas statutes. While the site has not been updated yet to include the changes from the 86th Legislature, an alert has been added to Health and Safety Code Chapter 161 to denote the amendments from Senate Bill 21.
For more information on how to find other new laws from the 86th Legislative Session, please see our FAQ, "Where can I find information on new state laws that went into effect in September 2019?"