A new federal law makes it illegal for anyone under the age of 21 years old to purchase tobacco products and e-cigarettes.

President Donald Trump signed the legislation on December 20.

The owner of Tribal Vapors in Chattanooga, Tracy Burton, said that the day it came down they started enforcing it. 

"We started December 20, when it come out to us, and we've ordered our new signs to be 21 and older," said Burton. "It's the law, so we're enforcing the law."

Burton says he's already had to turn people away, including three people on Tuesday. 

"One of them has been coming in here for a good while and he's 20," said Burton.

However, he says most of his business doesn't come from 18 to 20-year-old people. 

"Most of our business is 25 and up," said Burton. "We have them up to 80 years old." 

U.S. Congressman Chuck Fleischmann says part of this law is the need to have more understanding of the consequences of vaping in younger people.

"We need to look at the entire process, talk with consumer advocates, talk with the industry, talk with healthcare professionals who see what type of an impact this is going to be," said Fleischmann. 

Burton is okay with this law because he says it's meant to help.

"Yeah it costs us money but it's protecting the citizens out here, the young kids, which we don't sell to," said Burton. "We card all of our people that come in." 

Burton says the goal of his business is to help people quit smoking cigarettes, and that the average age of people they see come in are between 30 and 40. 

He says if you purchase anything at his business, you will be carded.