An official website of the United States government
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Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( LockA locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This guide has been removed because the content is no longer current. An updated 2019 version is now available.