Invoicing at Eisai, Inc.

Submit accurate invoices the first time to ensure prompt payment and avoid delays. Follow these guidelines carefully.

Eisai, Inc. is committed to continuously improving our on-time payments to our suppliers for goods and services. The invoices we receive will be matched with the approved purchase order and a goods receipt, or service confirmation, prior to payment.

Invoices are paid within the agreed payment terms outlined in the Purchase Order, and they are calculated from the date when invoice is received by Eisai, Inc. in our mailroom/systems.

Your invoice will be returned if it does not include the required information listed below. Also, payments may be delayed if invoices require correction and re-submission.

What are the benefits for you?

  • Full visibility on orders, invoices and payment status.
  • Elimination of costs associated with processing paper invoices (postal stamps, envelopes, printing).
  • High paid-on-time rate by decreasing invoice processing time.
  • Fully compliant electronic invoices that can be used as tax original.

Required Invoice Information

Every invoice must include:

Your company legal name and address

Applicable taxes clearly itemized

Unique invoice number

Invoice date and payment due date

Detailed description of goods or services

Quantity, unit price, and total amount

Contact email for Non PO

Invoice requirements for PO mandatory categories

Eisai, Inc. company entity as per the purchase order (PO).

Eisai, Inc. PO number clearly indicated in the invoice as well as in all other correspondences.

First and last name of the requestor – this is your Eisai, Inc. contact who ordered the Products or Services upon which the invoice is based.

Payment Terms

Eisai, Inc's standard payment terms are 90 days from the date the invoice is submitted, unless otherwise governed by contract or law.

E-invoicing through the SAP® Ariba® Network

We are committed to ensuring that we provide not only timely and efficient payment processing for goods and services to all our suppliers, but that we do this whilst supporting our drive towards environmental sustainability through the adoption of an e-solution.

During the transition, please continue to submit invoices for existing purchase orders beginning with 43 or 45 to invoices@eisai.com.

Common Errors to Avoid

Missing or incorrect PO number

Invoice submitted before goods/services delivered

Discrepancies between invoice and PO amounts

Missing tax information or incorrect tax calculations

Duplicate invoice numbers

Best Practices for Timely Payment

Submit Complete Invoices

Ensure that all required fields are filled out accurately before submission.

Include PO Numbers

Always reference the correct Purchase Order number on your invoice.

Use PDF Format

Submit invoices in PDF format for clarity and professional presentation. PDF files must not exceed 10MB in size.

Follow Up Appropriately

Contact AP team for payment status after the standard payment period.