Renew NAV 2009 with 2010 product key?

If I prefer not to upgrade to 2010 and I've purchased a retail NAV 2010 boxed CD, can I use the product key from the 2010 CD in the renewal option in the 2009 product when my current 2009 subscription ends?

 

[edit: Clarified subject.]

Message Edited by shannons on 12-27-2009 07:55 AM