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Official form guide
IRS Form W-9S is Request for Student’s or Borrower's Taxpayer Identification Number and Certification, used to provide SSN/ITIN information to a requester; taxpayers are subject to a $50 penalty if they fail to furnish the correct number.
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IRS Form W-9S is Request for Student’s or Borrower's Taxpayer Identification Number and Certification, used to provide SSN/ITIN information to a requester; taxpayers are subject to a $50 penalty if they fail to furnish the correct number.
Plain English
This form lets you give someone your Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). It also certifies that any student loan proceeds being used pay for qualified higher education expenses. The information helps determine your deduction for student loan interest.
Submission Date
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When providing loan interest details
This helps determine your deduction for student loan interest.
✓ Check Part II certification if applicable.
When confirming credit eligibility
The information helps determine whether you or a dependent may claim an education credit (American Opportunity Credit or Lifetime Learning Credit).
✓ Ensure SSN/ITIN is valid as of the return due date for 2026 claims.
When providing general identification to the requester
This allows the requester to file information returns and furnish you a statement.
✓ Complete Part I (Student or Borrower Identification) first.
The form itself does not specify a filing deadline date or day-count window. However, beginning in 2026, taxpayers claiming the American Opportunity Credit or Lifetime Learning Credit must have an SSN valid for work and issued before the due date of their return.
Checklist
Form W-9S
Student's or Borrower's Taxpayer Identification Number and Certification · Form Title/Purpose
Part I: Name of student or borrower
The full name of the student or borrower · Part I Section Header
Part II: Certification Statement
"I certify that all of the loan proceeds are solely to pay for qualified higher education expenses." · Part II Declaration
Required TIN Type (Student)
SSN or ITIN · Instructions/Purpose section
Form 1098-T / Form 1098-E
Tuition Statement / Student Loan Interest Statement · Purpose of form section
Requester Address/Name
Name and address of the requester (if applicable) · Part III Header
Field map
Personal Info
2 items
Your legal name and current mailing address.
Your taxpayer identification number — must match IRS records.
Filing Status
1 items
Single, Married Filing Jointly, or Head of Household (for withholding purposes).
Dependents
1 items
Number of qualifying children and other dependents.
Adjustments
1 items
Additional income not from jobs or adjustments to withholding.
Withholding
1 items
Additional amount you want withheld from each paycheck.
Certification
1 items
Your tax entity type: Individual, Corporation, Partnership, etc.
Signatures
1 items
Sign and date to certify under penalty of perjury.
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Fillable formOpen in Editor->The current edition is Revision January 2026 (Rev. 1-2026), which was created on 12/11/25; the official source directs users to www.irs.gov/FormW9S for the latest information regarding developments.
Quick Facts
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Who must fill out Part I of Form W-9S?
All students or borrowers must complete Part I, which includes providing their name, taxpayer identification number, and address.
→ Check that all fields in Part I are completed before filing.
When is Part II (Student Loan Certification) required on Form W-9S?
Part II must be completed only for student loans; if the loan is not a student loan, this section can be left blank (though signing it may still be necessary depending on other factors).
→ Confirm whether the loan is specifically designated as a 'student loan'.
What should I do in Part III (Requester Information) if I am the borrower?
Part III is optional but helps identify the account; the requester can enter their name, address, tuition account number, or loan account number.
→ Verify that you are filling out Part III for the convenience of the entity requesting your information.
What counts as a 'qualified higher education expense' for Part II?
These expenses are costs associated with attending an eligible educational institution (including graduate school) on at least a half-time basis, generally covering tuition and certain related expenses.
→ Cross-reference the expenses against the definition provided in Part II.
If my loan is not solely for qualified higher education expenses, should I still sign Part II?
Do not sign the certification if the loan is a 'mixed use loan,' but you may sign it for a revolving line of credit or similar loan if that line of credit is used *solely* for qualified higher education expenses.
→ Check the specific type of loan to determine if signing is mandatory or conditional.
What happens if I don't sign Part II?
If the borrower does not sign the certification in Part II, the lender may not issue or file Form 1098-E (Student Loan Interest Statement) on their behalf.
→ Check that a signature and date are present in Part II to ensure proper filing of interest statements.
What is the penalty for failing to provide my correct number on Form W-9S?
Generally, if the filer fails to furnish the correct SSN or ITIN to the requester, a penalty of $50 applies unless the failure was due to reasonable cause and not willful neglect.
→ Confirm that your provided identification number matches official records.
If I don't have an SSN or ITIN yet, what should I write on Form W-9S?
If you do not possess an SSN or ITIN but have applied for one or intend to apply soon, write 'Applied For' in the space provided for the taxpayer’s identifying number.
→ Ensure the status of your identification number aligns with the entry made in the designated field.
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This form lets you give someone your Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). It also certifies that any student loan proceeds being used pay for qualified higher education expenses. The information helps determine your deduction for student loan interest.
The student, borrower, and requester are the parties who must complete Form W-9S.
Part I collects the Student or Borrower Identification (Name, Address, TIN); Part II is the Student Loan Certification; and Part III provides optional Requester Information like tuition account numbers.
The source does not state a specific filing deadline for submission to the requester, but it notes that beginning in 2026, taxpayers claiming certain credits require a valid SSN issued before the due date of the return.
The instruction states: "Give form to the requester. Do not send to the IRS."
All parties must complete Part I first by entering their details. If applicable, sign the certification in Part II; do not sign if it is a mixed-use loan. Part III can be completed optionally for convenience.
Generally, failing to furnish your correct SSN or ITIN subjects you to a penalty of $50 unless the failure is due to reasonable cause and not willful neglect.
All students or borrowers must complete Part I, which includes providing their name, taxpayer identification number, and address. Check that all fields in Part I are completed before filing.
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