Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Year of ban implementation: Texas—1997; California—1998; Washington—1999; Florida—2001; Michigan—2006; Nebraska—2008; Arizona—2010; New Hampshire—2012; Oklahoma—2013. See S1 Table for further details, including dates of court decisions and votes authorizing bans.
