This article provides answers to common questions about promotion eligibility.For how long can a promotion run?
Per Google's Program policies, the maximum duration is 6 months (183 days) per promotion.
Each Merchant Center account can have up to 500 open promotions (unexpired and not stopped by retailer) at any given time; additional live promotions will be disapproved.
Merchant Promotions for Shopping ads supports online promotions only. As long a promotion follows the Merchant Promotions Program policies, it can be any range of promotions, such as free gifts, certain dollar amounts or percentages off, or gift cards for future purchases at your store.
A Promotions feed can only correspond to product feeds from one Target Country, which you select when you register your feed. For your promotions to display on Product Shopping ads for other countries, submit a new promotions feed that targets those countries.
A code is needed to promote free or discounted shipping in order to make sure that shoppers receive added value in the form of a discount on your normal shipping price.
For example, if you submit an item in Merchant Center that had a shipping cost of $0.00, this product will already display on Shopping ads as having “Free Shipping.” As a result, a free shipping promotion wouldn’t provide additional value since that product already has free shipping.
Learn more about how to set up shipping costs for your Product Shopping ads.
The price listed in Product Shopping ads must match the price listed on the product landing page. Discounts and promotions can only be applied at checkout or point of sale. You can refer to Merchant Promotions Program policies for more information.