An official website of the United States government
Here’s how you know
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.
This section is heavily based on the SIPP User’s Guide. The User’s Guide is currently being revised to reflect the changes within the SIPP. For information related to the current Using and Linking Files, see the current Users' Guide available.
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