What is a Blanket Purchase Order?

A Blanket Purchase Order (also known as a standing purchase order) is an agreement arranged between an organization and a supplier to deliver goods or services at a predetermined price on a recurring basis for a specified time period (typically 1 year).

For example, if an organization determines that it submits 8 Purchase Orders per month to a particular vendor, it can consolidate these purchases into a single Blanket Purchase Order and issue one PO for the entire year — as opposed to issuing 96 smaller Purchase Orders.

In addition to establishing a set price and quantity to be purchased, Blanket Purchase Orders are also useful when the specific quality or features of an item are important.

What are the benefits of a Blanket Purchase Order?:

Reduces Costs and Increases Purchasing Power: A Blanket Purchase Order allows an organization to bulk together purchases that would otherwise happen over an extended period and receive quantity discounts. Furthermore, Blanket Purchase Orders allow an organization to consolidate purchases from across different departments and locations to further strengthen bargaining power.

Improves Efficiency and Shortens Purchasing Lead Time: A Blanket Purchase Order is a great way to simplify the ordering process of something that is purchased repetitively. As in the above example, rather than creating 100 different purchase orders a company can simply create one and receive against it multiple times. A Blanket Purchase also eliminates the need to search for new suppliers or renegotiate terms and prices which lowers administrative costs and allows staff to spend time on other key procurement functions.

Facilitates Leaner Operations by Reducing Stocking Requirements: A Blanket Purchase Order clearly lays out the terms and conditions of a purchase including quantities required and when they are to be delivered. This eliminates the need for an organization to keep additional stock on hand because it is confident that the supplier will fulfill the order as previously negotiated.

When to use a Blanket Purchase Order:

  • When making repetitive and pre-specified purchases from the same supplier within a certain time period (typically 1 year).
  • When ordering standardized products or services which require numerous shipments.
  • When a quantity discount can be achieved.

When not to use a Blanket Purchase Order

  • When price is not known at time of purchasing.
  • When price is subject to change without notice.
  • When quality of product or service is questionable.

A Blanket Purchase Order should include the following information:

  • Price and pricing arrangements.
  • The period which the agreement covers.
  • Terms and billing conditions
  • Description and details of items covered by the Blanket Purchase Order
  • A cancellation clause

Final Considerations:

Once established it is important to continuously monitor a Blanket Purchase Order to ensure that purchasing does not go beyond the arranged limits. Once these limits are exceeded, the item is subject to usual price and conditions. The best way to mitigate this risk is through the use of an effective spend management tool.


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12 responses to “What is a Blanket Purchase Order?

    1. Hi Ashish,

      In my opinion, blanket POs are a lot better if it’s on a monthly basis since you’ve talked with your vendor that each month, you will pay X amount and created terms and conditions on that blanket purchase order. If pricing changes on a daily basis, I would recommend creating a purchase order every time. But, it depends what you have discussed with your vendor; maybe they can provide you with a better pricing if you purchase x amount of items for the year and you just pay for those items on a monthly basis.

      Hope this helps!


  1. There needs to be consideration for the supplier, not just the buyer. This is particularly true when supplying high volume, custom components. Most suppliers will be amenable to maintaining a buffer or safety stock, but efficiency is lost and costs increase when the customer makes frequent blanket order release schedule changes. MRP favors the customer, and not the supplier, and such changes should be relatively infrequent and limited in scope.

    1. Very true Ken, a purchase order should be used to facilitate communication between all parties. The buyer should account for limitations or tradeoffs when making changes to orders. The stronger the relationship is between buyer and supplier the more likely win-win scenarios can happen for both sides.

    1. A BPO for annual renewals could work if you’ve signed a multi year deal. You can also issue a new PO each year if you’re planning on renegotiating or if the rates change annually.

    1. Thanks for reading Adam! If there are other topics you’d like us to go into, just let us know and we’ll get writing.

  2. This is an informative post, but it mainly focuses benefits from the purchasers perspective. Do Blanket Purchase Orders benefit a supplier in any way?

    1. Hi Juliette,

      Great question. Blanket Purchase Orders do offer benefits from a Supplier perspective as well, they include the following:
      -Allows better forecasting which simplifies manufacturing and planning
      -Increases revenue by making bulk purchases easier for buyer
      -Increases cash flow by providing quicker turn around on orders.

      I hope this covers it. If you have any other questions, feel free to email me jordan@procurify.com