Printable Form 2026

IRS Publication 5648 – Security Summit Membership Criteria

IRS Publication 5648 – Security Summit Membership Criteria – In today’s digital age, protecting taxpayer information from identity theft and fraud is more critical than ever. IRS Publication 5648 outlines the Security Summit Membership Criteria, providing a framework for organizations and agencies to join this vital initiative. This publication, last revised in May 2022, details eligibility requirements for various stakeholders in the tax ecosystem, ensuring collaborative efforts to safeguard sensitive data. Whether you’re a tax professional, software developer, or financial institution, understanding these criteria can help strengthen cybersecurity practices and contribute to broader tax system integrity.

What is the IRS Security Summit?

The IRS Security Summit is a groundbreaking public-private partnership established in 2015 to combat tax-related identity theft and refund fraud. It brings together the Internal Revenue Service (IRS), state tax agencies, and private-sector entities, including tax preparation firms, software developers, payroll processors, tax professional organizations, and financial institutions.

As of recent updates, the Summit includes 42 state tax agencies and 24 industry partners alongside the IRS. Organized into six working groups—each co-led by representatives from the IRS, states, and industry—the Summit focuses on key areas like authentication, information sharing, and security standards. This collaborative structure allows for the development of best practices that evolve with emerging threats, such as phishing scams and data breaches.

The Summit’s efforts have yielded significant results. In its first two years alone, safeguards implemented led to a 57% decline in confirmed identity theft returns and a 65% reduction in taxpayers reporting themselves as victims. Ongoing campaigns, like the annual “Protect Your Clients; Protect Yourself” series, provide tax professionals with tools to enhance data protection, including multi-factor authentication and Written Information Security Plans.

Overview of IRS Publication 5648

IRS Publication 5648, titled “Security Summit Membership Criteria,” serves as the official guide for entities interested in joining the Summit. Released by the Department of the Treasury and available on the IRS website, it categorizes membership requirements based on roles within the tax ecosystem. The document emphasizes compliance with federal laws, cybersecurity frameworks, and data protection standards to foster a secure environment for tax administration.

Key themes include adherence to the National Institute of Standards and Technology (NIST) Cybersecurity Framework (CSF), Version 1.0 (or later), and prohibitions on unauthorized disclosure of tax information under 26 U.S.C. §6103. All members must commit resources, provide valuable insights, and remain current with federal tax obligations. A companion document, Publication 5648-A, offers a “Statement of Interest” template and further details on expected contributions.

Detailed Security Summit Membership Criteria

Membership criteria vary by category, ensuring tailored requirements for different stakeholders. Below is a breakdown based on the publication:

IRS Criteria

  • Authority under Title 26, U.S.C. §7803 and Treasury Order 150-10 for tax administration and enforcement.
  • Commitment to reporting, confidentiality, privacy, and data protection; provides insights for tax ecosystem protection.
  • Compliance with NIST cybersecurity guidelines and mandates like Office of Management and Budget Circular A-130.
  • Strict prohibitions on disclosing tax information except as allowed by law.

State/City Tax Agencies

  • Responsibility for return filing, processing, and fraud prevention.
  • Adherence to safeguards in Publication 1075 and §6103(p)(4) of the Internal Revenue Code.
  • Provision of data for ecosystem protection and compliance with working group guidelines.
  • Employee non-disclosure agreements and MOU adherence.

Industry Software Developers/Electronic Return Originators (EROs)

  • National role in electronic return transmission; process over 50,000 accepted returns per season.
  • Valid EFIN and good standing as an e-File Provider.
  • Compliance with fraud reporting under Publication 1345 and NIST CSF implementation.
  • Resource commitment, data sharing, and code of conduct adherence.

Financial Services Providers

  • National involvement in return and refund processing.
  • Participation in IRS External Leads and Rejected Direct Deposit programs.
  • NIST CSF adoption, MOU compliance, and insight provision.
  • Current with tax obligations and willing to allocate resources.

Payroll Reporting Agents

  • National role in employment tax returns and Forms W-2; process over 50,000 e-filed returns annually.
  • Valid EFIN and Reporting Agent PIN.
  • NIST CSF implementation and data contribution.
  • Commitment to efforts and non-disclosure agreements.

Other Entities

  • National tax ecosystem role (if applicable).
  • NIST CSF adherence (where relevant), MOU terms, and guideline compliance.
  • Resource dedication and tax compliance.

Endorsing Organizations

  • National IRS-accepted groups supporting tax ecosystem participants.
  • Influence through collective activities.
  • Code of conduct and non-disclosure agreement adherence.
  • Current federal tax obligations.

Benefits of Security Summit Membership

Joining the Security Summit offers numerous advantages, including collaborative opportunities to develop multi-layered authentication standards and best practices against evolving fraud tactics. Members gain access to shared insights, reducing identity theft incidents and enhancing overall tax system security. For tax professionals, benefits extend to awareness campaigns, tools like Identity Protection PINs, and resources from events such as the Nationwide Tax Forums. Ultimately, participation strengthens cybersecurity infrastructure and protects clients from threats like phishing and ransomware.

How to Apply for Security Summit Membership?

While Publication 5648 focuses on criteria, the application process involves demonstrating compliance with the outlined requirements, including the Security Summit Memorandum of Understanding (MOU), code of conduct, and non-disclosure agreements. Prospective members should submit a Statement of Interest using Publication 5648-A, highlighting their role, anticipated contributions, and alignment with NIST standards. Contact the IRS or visit their website for further guidance on submission.

Conclusion

IRS Publication 5648 plays a pivotal role in fortifying the tax ecosystem through clear Security Summit Membership Criteria. By adhering to these standards, members contribute to a safer environment for taxpayers and professionals alike. Stay informed by checking the latest IRS resources, and consider joining to amplify your impact in combating tax fraud. For the full document, download it directly from the IRS website.