Suppliers

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Frequently Asked Questions

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Non Purchase Order FAQ

Supplier must only submit 1 invoice per email to NUS mailbox (ofnap@nus.edu.sg) with email subject header.

NPO Invoice Sample:

For supplier required to submit NPO invoice, please key in the keyword “Non-PO Invoice: “NPO” or “Non-PO” in the email subject header.

Reminder: Please do not to submit same invoice set to NUS requestor to avoid duplicate invoice processed for payment.

Ensure that Invoice has the following details are in order:

  1. National University of Singapore
  2. NUS’ Department Name (e.g. “Department of Chinese Studies”)
  3. Requestor’s Name (e.g. Asst Prof John Tan)
  4. Requestor’s email address (e.g. johntan@nus.edu.sg)

No, Ariba invoices should be submitted under Ariba network.
For more information, please click here.

As a new supplier, please liaise with the NUS requestor to ensure all the relevant details for supplier creation are submitted completely before the invoice billing.

NUS general payment term should be 30 days (PT30) unless specific agreement are made.

If there are any issues regarding payment status of the invoice, supplier can submit an email query to ofnap@nus.edu.sg and input keyword AP-Related Queries: “Query”, “Queries” or “Enquiry” in email subject title.

Alternatively, supplier can contact general helpdesk hotline (65) 6516 8238 and then press 1 for AP.

SESAMi PO Invoices:
SESAMi PO invoices are identified by PO numbers starting with “5” or “7”. These invoices should be submitted to the AP mailbox. Kindly ensure that the email subject line includes the keyword “PO Invoice (SESAMi): NUS PO” or “NUS-PO”.

Ariba PO Invoices:
Ariba PO invoices are identified by PO numbers starting with “8”. Please note that these invoices should not be submitted to the AP mailbox.

Please send an email to OFN AP mailbox (ofnap@nus.edu.sg).

Supplier can contact the general helpdesk hotline (65) 6516 8238 and then press 1 for AP.

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