Proof of Payment/AP-Liability
With few exceptions the proof of payment for vendor invoices and reimbursement must consist of original documents. Copies and faxes are not appropriate.
At least one of the following is required:
- Original Invoice
- Itemized Receipt
- Cancelled check (Copy of front and back is sufficient)
- A statement that no original invoice is available and the requested funds are not reimbursed from another source.
Internet Purchases
At least one of the following is required:
- Credit Card Statement (Copy of the page showing the charge is sufficient)
- Packing Slip
- A statement that no original invoice is available and the requested funds are not reimbursed from another source.
Purchasing Policy Requirements
All Purchase Orders, Check Requests, Requests for Independent Contractors of $10,000 or more, must adhere to the bid/sole source justification requirements of the TUC Purchasing Policy.
| <$10,000 | No Requirements |
| $10,000 - $15,000 | Three price quotations, by telephone or in writing |
| $15,000 - $75,000 | Three price quotations in writing |
| >$75,000 | Three formal bids, based on written specifications |
| Or - Sole Source Justification |
Exception: Services of an independent contractor on a an hourly time and material basis do not require any bids or sole source justification.
Download: Quote/Bid Supporting Document / Sole Source Justification (word)
Stipends to CSUN Students
Copy of the student's CSUN I.D. card
+
Proof of Enrollment at CSUN via one of the following:
- CSUN Sims query advisement report
- Class schedule from the CSUN web service portal
- Class schedule from the self-service study list
+
Citizenship/Residency statement (word)
Stipends to Non-CSUN Students
W-9 form 
+
Citizenship Statement (word)
+
Statement of Participation
Stipend Payments to Minors
Parental Informed Consent, Waiver & Release (word)
+
W-9 form
+
Citizenship Statement (word)
+
Statement of Participation (word)
Travel Expenses
Travel Expense Claim Form
+
Original Itemized Receipts/Invoices
Boarding Passes for Flights
Independent Contractors
Request for Independent Contractor Form