You really don't need a UPC code, however, if you are working with a re-seller or distributor, they may require you to have one.
Check with your distributor or reseller to make sure you meet their specifications for use of a UPC.
In the meantime, you can visit www.gs1.org to learn more about bar codes and how to implement them in your businesses.
Brad Sugars is the founder of ActionCOACH, the world's number one business coaching firm. As a world-renowned entrepreneur, author and Business Coach, he has helped more than a million clients around the world find business and personal success.
Sugars has owned and operated more than two dozen companies including his main company, ActionCOACH, which has nearly 1,000 offices in 26 countries.