Standard Form 312 at a glance
What it is: CLASSIFIED INFORMATION NONDISCLOSURE AGREEMENT: an agreement between the United States and the individual whose Name of Individual is printed or typed.
A filled-in Standard Form 312 example: an employee signs the agreement with a witness

How to fill out Standard Form 312, box by box
Tap a group of boxes to open it, and a picture to see it full size.
Name of individual
Organization
Witness
Acceptance on behalf of the United States Government
Security debriefing acknowledgement

Under Security Debriefing Acknowledgement the employee signs the Signature of Employee (May sign manually with a witness, or digitally, as prescribed by agency.) line at the SIGN mark, writes the Date, and strikes out the inappropriate word or words in I (have) (have not) received a security debriefing; the employee writes the Name of Witness (type or print) and signs the Signature of Witness, both (Not applicable if candidate digitally signs above.).
More rules for Standard Form 312
I have been advised that the unauthorized disclosure, unauthorized retention, or negligent handling of classified information by me could cause damage or irreparable injury to the United States or could be used to advantage by a foreign nation. I hereby agree that I will never divulge classified information to anyone unless: (a) I have officially verified that the recipient has been properly authorized by the United States Government to receive it; or (b) I have been given prior written notice of authorization from the United States Government Department or Agency (hereinafter Department or Agency) responsible for the classification of information or last granting me a security clearance that such disclosure is permitted. I understand that if I am uncertain about the classification status of information, I am required to confirm from an authorized official that the information is unclassified before I may disclose it, except to a person as provided in (a) or (b), above. I further understand that I am obligated to comply with laws and regulations that prohibit the unauthorized disclosure of classified information. I acknowledge that I am responsible for abiding by any and all applicable pre-publication review policies.
I have been advised that any breach of this Agreement may result in the termination of any security clearances I hold; removal from any position of special confidence and trust requiring such clearances; or termination of my employment or other relationships with the Departments or Agencies that granted my security clearance or clearances.
In addition, I have been advised that any unauthorized disclosure of classified information by me may constitute a violation, or violations, of United States criminal laws, including the provisions of sections 641, 793, 794, 798, *952 and 1924, Title 18, United States Code; *the provisions of section 783 (a), Title 50, United States Code; and the provisions of the Intelligence Identities Protection Act of 1982.
I recognize that nothing in this Agreement constitutes a waiver by the United States of the right to prosecute me for any statutory violation.
I understand that all classified information to which I have access or may obtain access by signing this Agreement is now and will remain the property of, or under the control of the United States Government unless and until otherwise determined by an authorized official or final ruling of a court of law. I agree that I shall return all classified materials which have, or may come into my possession or for which I am responsible because of such access: (a) upon demand by an authorized representative of the United States Government; (b) upon the conclusion of my employment or other relationship with the Department or Agency that last granted me a security clearance or that provided me access to classified information; or (c) upon the conclusion of my employment or other relationship that requires access to classified information. If I do not return such materials upon request, I understand that this may be a violation of sections 793 and/or 1924, Title 18, United States Code, a United States criminal law.
Unless and until I am released in writing by an authorized representative of the United States Government, I understand that all conditions and obligations imposed upon me by this Agreement apply during the time I am granted access to classified information, and at all times thereafter.
I have read this Agreement carefully and my questions, if any, have been answered. I acknowledge that the briefing officer has made available to me the Executive Order and statutes referenced in this agreement and its implementing regulation (32 CFR Part 2001, section 2001.80(d)(2) ) so that I may read them at this time, if I so choose.
* NOT APPLICABLE TO NON-GOVERNMENT PERSONNEL SIGNING THIS AGREEMENT: the provisions marked *952 in the provisions of sections 641, 793, 794, 798, *952 and 1924, Title 18, United States Code, and *the provisions of section 783 (a), Title 50, United States Code.
Common questions about Standard Form 312
What is SF312?
CLASSIFIED INFORMATION NONDISCLOSURE AGREEMENT: an agreement between the United States and the individual whose Name of Individual is printed or typed.
What am I certifying when I sign?
I hereby acknowledge that I have received a security indoctrination concerning the nature and protection of classified information, including the procedures to be followed in ascertaining whether other persons to whom I contemplate disclosing this information have been approved for access to it, and that I understand these procedures.
Sources
[1] Standard Form 312, Classified Information Nondisclosure Agreement (the Official source link on this page).





