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Here’s how you know
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
A department code is the first 2 digits used in federal account symbols and Agency Language Codes, which identifies the department that is reporting transactions. A complete listing of department codes (also called agency codes) appears in the Federal Account Symbols and Titles (FAST) Book, Part IV. See the FAST Book website.