Block checkout: PO boxes, minimum orders and item limits
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Written by Bird Checkout Rules
Updated November 9, 2026
Restrictions stop checkout and show your message, for example to block PO box addresses for furniture, set a minimum order for local delivery, or limit how many of an item a customer can buy.
Add a restriction
- Go to Restrictions and select Add rule.
- Enter a Name.
- Under Conditions, add when checkout should be blocked, such as PO box is Yes and Items in the cart in a product group.
- Under What to do, select Add action > Block checkout. Choose Where the message shows, such as Top of checkout or Postal code.
- Under Stop shoppers, choose At checkout or In the cart and at checkout.
- Write the Message shoppers see, such as “Furniture can’t ship to PO boxes.” Select Insert product name to name the item. Select Edit translations to write it per language.
- Select Save.
Restrictions stay a draft until you publish them.
Test it
Select Test checkout and try a cart that should be blocked. At checkout shows Checkout blocked and the rule that blocked it.
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