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  2. The Privacy Act
  3. Privacy Impact Assessments (PIAs)
  • The Privacy Act
    • How to Make a Privacy Act Request
    • Privacy Act Contacts
    • HHS System of Records Notices (SORNs)
      • HHS Exempt Systems of Records
    • HHS Computer Matching Agreements (CMAs)

Privacy Impact Assessments (PIAs)

A Privacy Impact Assessment (PIA) explains how HHS collects, uses, shares, and protects personal information. Federal law requires agencies to complete PIAs when they develop or operate systems that collect personally identifiable information (PII).

PIAs help identify and reduce privacy risks before and during the operation of these systems. They also promote transparency by informing the public about how their information is handled.

There are two main types of PIAs:

  • System Privacy Impact Assessments review HHS information systems that collect or maintain personal information. These assessments describe what data is collected, why it is needed, how it is protected, and who has access to it.
  • Third-Party Website and Application PIAs apply when HHS uses websites or digital tools that are not operated by the federal government, such as social media platforms or other external services. These assessments explain what information may be shared with the third party and how privacy risks are managed.

Together, these assessments promote transparency and help ensure that personal information is handled responsibly and in accordance with federal law.


System Privacy Impact Assessments

Titles II and III of the E Government Act of 2002 require federal agencies to evaluate systems that collect PII and assess the privacy risks. Agencies meet this requirement by completing a Privacy Impact Assessment (PIA). At HHS, each division is responsible for completing and maintaining PIAs for all of its systems, whether they are still being developed or already in use. Once a PIA is completed, it must be made publicly available to support transparency and accountability.

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Third Party Websites and Applications Privacy Impact Assessments

Office of Management and Budget (OMB) Memorandum M-10-23 requires federal agencies to evaluate their use of third party websites and applications to ensure personal information is protected. Agencies meet this requirement by completing a Privacy Impact Assessment (PIA). At HHS, each division is responsible for completing and maintaining PIAs for the third party websites and applications it uses. Once completed, these PIAs are made publicly available to promote transparency and accountability.


PIA is still undergoing Section 508 conformance changes. If you need assistance, please reach out to PrivacyProgramMailbox@hhs.gov.

Content last reviewed April 3, 2026
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