Sworn statement
The state and county, and the affiant's statement that they are the surety to the attached bond(s), a citizen of the United States and of full age and legally competent.
SF28
Affidavit of Individual Surety
- Agency
- GSA
- Revision
- Rev. 10/2023
- Fillable fields
- 29
- Pages
- 4
- Official source
- GSA form page
- Checked
- October 20, 2026
Standard Form 28 (SF 28): Affidavit of Individual Surety
Standard Form 28 (SF 28), Affidavit of Individual Surety, is prescribed by GSA under FAR (48 CFR) 53.228(e), and GSA hosts it in its forms library. The footer prints STANDARD FORM 28 (REV. 10/2023), and the form carries OMB Control Number 9000-0001 with an expiration date of 1/31/2027.
The instructions say individual sureties on bonds executed in connection with Government contracts complete and submit this form with the bond, citing FAR 28.203 and 53.228(e), and have the completed form notarized. The affiant states they are the surety to the attached bond(s), a citizen of the United States, and of full age and legally competent, then lists the assets pledged to the United States in support of the bond.
GSA's page says the form is intended for use by government contractors and contracting personnel. You can fill it out free in your browser on this page and download the result without an account.
What's on SF 28
Items 1 to 5: surety, employer and broker
Name, home address, telephone and email, type and duration of occupation, employer name, address and email, and the individual surety broker used.
Item 6: financial institution
The institution submitting the pledge of securities, its email address, routing transit number (RTN), and a contact person's name, telephone and email.
Items 7 to 9: pledged assets
The assets pledged to the United States with each security's CUSIP number and par (face) amount, any liens or encumbrances on them, and all bonds for which they were pledged within three years.
Items 10 to 12: signature, bond and oath
The surety's signature, the bond and contract the affidavit relates to, and the oath block with date, place, the official's name, title, signature, commission expiration and seal.
The form has a sworn statement, 12 numbered items over three pages and instructions on page 4.
How to complete SF 28
- 1
Fill in your details
Complete items 1 to 6 with your name, contact details, occupation, employer, surety broker and the financial institution submitting the pledge of securities.
- 2
List the pledged assets
In item 7, list the Committee On Uniform Securities Identification Procedures (CUSIP) number and par (face) amount of each security pledged.
- 3
Disclose liens and other bonds
Item 8 asks for all liens, judgements or other encumbrances on the assets. Item 9 asks for all bonds, including bid guarantees, for which they were pledged within three years.
- 4
Attach documentation
The form says documentation of the pledged asset must be attached.
- 5
Sign before an official
Sign item 10 and identify the bond and contract in item 11. The instructions say signatures are originals and the completed form is notarized in item 12.
- 6
Submit it with the bond
The instructions say individual sureties complete and submit this form with the bond executed in connection with the Government contract.
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Rules printed on the form
Where it goes
The PDF gives no filing address. The instructions say the form is submitted with the bond executed in connection with the Government contract.
Citizenship and residence
The form says United States citizenship is a requirement for individual sureties when the contract is awarded in the United States, and that when the Contracting Officer is in an outlying area or a foreign country, the surety is only required to be a permanent resident of that area or country.
Assets that are excluded
The form says an individual surety will not include any financial interest in assets connected with the principal on the bond, and that partnership members are not acceptable as sureties on bonds where the partnership is the principal obligor.
Original signatures
Affidavits bearing reproduced signatures are not acceptable. A person signing in a representative capacity, such as an attorney-in-fact, furnishes evidence of authority as the form describes.
False statements
The sworn statement says a false, fictitious or fraudulent statement may render the maker subject to prosecution under Title 18, United States Code Sections 1001 and 494.
Time to complete
The Paperwork Reduction Act statement estimates 0.3 hours, under OMB control number 9000-0001. Comments go to U.S. General Services Administration, Regulatory Secretariat Division (MVCB), 1800 F Street, NW, Washington, DC 20405.
Related forms
Who completes SF 28?
The instructions on page 4 describe who may act as an individual surety and who signs.
Official sources and the blank
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Questions about Form SF28
Who issues SF 28?
The footer says Prescribed by GSA-FAR (48 CFR) 53.228(e). GSA hosts the form in its forms library.
Can a company be an individual surety on SF 28?
No. The instructions say no corporation, partnership, or other unincorporated association or firm, as such, is acceptable as an individual surety, which must be a natural person.
Does SF 28 have to be notarized?
The instructions say the surety has the completed form notarized. Item 12 holds the oath details, the official's signature and the official seal.
What assets does SF 28 ask about?
Item 7 lists the assets pledged to the United States with each security's CUSIP number and par (face) amount. Items 8 and 9 ask about liens and about other bonds the assets backed within three years.
Can I sign SF 28 with a copied signature?
The instructions say all signatures on the affidavit are originals and that affidavits bearing reproduced signatures are not acceptable.
How long does SF 28 take?
The Paperwork Reduction Act statement estimates 0.3 hours to read the instructions, gather the facts, and answer the questions.