Form 15320 — Application for Security Summit Membership

Official source: IRS Forms, Instructions & Publications (https://www.irs.gov/pub/irs-pdf/f15320.pdf), retrieved 2026-10-03. U.S. Government work (17 U.S.C. § 105).

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(May 2024)

Department of the Treasury - Internal Revenue Service

OMB Number

1545-2295

You may fax your application to: 855-811-8020

Or send by mail to: Internal Revenue Service National Public Liaison

Room 7559 CL:NPL 1111 Constitution Ave, NW Washington, DC 20224

Part I: Applicant Information

Agency/Organization name

Agency/Organization address

City State ZIP code Business telephone number

Contact name

Address

City State ZIP code

E-mail address Telephone number Job title

Part II: Required Criteria and Qualifications

See the attached membership criteria document to determine the appropriate categorization which best aligns with your agency or organization and submit a short (one to two page) statement (Statement of Interest) describing your agency’s or organization’s role, mission and functional responsibilities within the tax ecosystem. Also indicate your expectation of the Security Summit including your anticipated contribution and benefits expected. This application is to be signed by the Head of Agency/Senior Executive of the respective Agency/Organization.

Select the membership category you are applying for

State/City Software developer/Electronic Return Originator (ERO)

Financial services Payroll reporting agents

Endorsing organization Other

Part III: Applicant Signature

I certify that to the best of my knowledge and belief, all of my statements are true, correct, complete and made in good faith. I have read, understand and attest that my agency/organization meets the criteria required for Security Summit membership. I agree to immediately notify the designated IRS Official when adding or removing representatives from our organization/agency participating in Security Summit activities.

Name (print/type) Title

Signature Date

Paperwork Reduction Act Notice

This information is solicited under authority of 5 U.S.C. 301, 26 U.S.C. 7801 and 26 U.S.C. 7803. The primary purpose of this form is to process applications for membership. Providing this information is voluntary. Not providing all or part of the information may affect the application process. You are not required to provide the information requested on a form that is subject to the Paperwork Reduction Act unless the form displays a valid OMB control number. Generally, tax returns and return information are confidential, as required by section 6103. The time needed to complete and file this form will vary depending on individual circumstances. The estimated average time is: 5 minutes.

Catalog Number 37003N www.irs.gov Form 15320 (Rev. 5-2024)