You purchase an initial set of prepaid units when you sign up for your VeriSign Certificate Center Enterprise Account. You can purchase additional prepaid certificate units at any time before or even during a certificate request or renewal.

On the Select Units page, enter the number of prepaid certificate units you need for each certificate type. The page highlights your discount level and displays the new price-per-unit for each prepaid unit type (when you enter 4 or more).

Click Continue to confirm your payment and contact information and submit your order.

If you are ordering prepaid units for the first time, on the Order Confirmation page you have the opportunity to pre-approve your organisational information for instant-issue certificates.

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