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.
Visual examination of the item (hardware and software) and associated descriptive documentation that compares appropriate characteristics with predetermined standards to determine conformance to requirements without the use of special laboratory equipment or procedures.