Final answer:
The World Health Organization does not constitute a federal source of information.
Step-by-step explanation:
The correct answer is d) World Health Organization (WHO).
The question asks which of the following does NOT constitute a federal source of information. The Internal Revenue Service (IRS), Federal Reserve System, and Securities and Exchange Commission (SEC) are all federal sources of information. However, the World Health Organization (WHO) is an international organization and not a federal source of information.