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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

  1. Go to Restrictions and select Add rule.
  2. Enter a Name.
  3. Under Conditions, add when checkout should be blocked, such as PO box is Yes and Items in the cart in a product group.
  4. Under What to do, select Add action > Block checkout. Choose Where the message shows, such as Top of checkout or Postal code.
  5. Under Stop shoppers, choose At checkout or In the cart and at checkout.
  6. 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.
  7. 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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