H.R. 6976 is a bill aimed at changing the Immigration and Nationality Act to make it so that any non-U.S. citizen who is convicted of or admits to an offense related to driving under the influence of alcohol or drugs, as defined by local laws, would not be allowed to enter...
Simple Explanation
H.R. 6976 is a rule that says if someone from another country got in trouble for driving drunk or using drugs, they can't come into the United States or might have to leave if they're already here. Even if just admitting to it, they could still be affected, no matter how serious the trouble was where they live.