Google Product Forums
Re: Update: Upcoming Google Product Search Feed Specification and Policy Changes
Sep 22, 2011 8:08 AM
Posted in group:
Google Merchant Center
Announcements & Known Issues :
You said: "at least two global-trade values (gtin, brand, or mpn) are required
for most items in most target-countries; apparel requires only brand."
Interesting Google is telling me they want via support email UPC in addition to the brand and MPN .