What Is Blanket Order?
Also known as: blanket sales order, blanket purchase order, blanket PO, release order
Definition
A blanket order is a long-term agreement covering a total quantity or value of items over a period, with individual deliveries called off through releases. It locks in price and commitment while letting actual shipment dates follow real demand.
Blanket Order Explained
Blanket orders exist because repeat buyers do not want to negotiate every shipment. The parent agreement states the item, a committed quantity or amount, a price (often with tiers) and an expiry. Each release is a smaller order against it, with its own quantity and date. The remaining balance decreases until the commitment is consumed or the blanket expires.
The same concept works on both sides. A customer may issue a blanket purchase order to you with releases sent by EDI (the 830 planning schedule and 862 shipping schedule are common in automotive), and you may place blanket purchase orders with suppliers for fasteners and raw materials. Microsoft Business Central has Blanket Sales Orders and Blanket Purchase Orders from which you make orders, NetSuite has blanket purchase orders, and SAP uses scheduling agreements (VA31) and outline agreements. Infor SyteLine customer orders support blanket-style orders with line releases.
Planning is where it gets subtle. A blanket with firm releases only drives MRP for the released quantities, while forecast quantities in the blanket may need to be fed to the master schedule as unfirmed demand. If the blanket total is treated as firm demand, you over-build. If it is ignored, you under-buy.
Monitor price rules too. If a blanket price expires or a tier breaks mid-way, releases may silently pick up the wrong price. Monitoring balance, expiry and price validity is a routine reporting job.
Why It Matters
- It reduces order-entry volume for repeat business, saving effort on both sides.
- Committed volumes support better supplier pricing, and customer blankets give you visibility into likely demand.
- Balance tracking prevents over-shipping beyond the agreed quantity and spotting under-consumption early.
- Correctly handling forecast versus firm releases decides whether MRP builds the right amount.
In Practice
A customer signs a blanket for 12,000 units over 12 months at 4.20 each, with releases of about 1,000 per month. In month 6, 5,400 have shipped and 6,600 remain. If the customer releases only 700 a month, the blanket will not be consumed by expiry, which prompts a commercial conversation about shortfall terms.
Frequently Asked Questions
What is the difference between a blanket order and a purchase order?
A standard purchase order is a one-time commitment for specific deliveries. A blanket order is a master agreement with a total commitment, and deliveries are called off through separate releases.
Does a blanket order count as demand in MRP?
Only the released portion is firm demand. Unreleased balance should be treated as forecast or ignored, depending on how reliable the customer's release pattern is.
What happens when a blanket order expires?
Remaining balance usually cannot be released. The agreement is renewed, extended or closed, and any unmet minimum may trigger the shortfall terms in the contract.
How do blanket releases arrive electronically?
Often by EDI, such as 830 planning schedules and 862 shipping schedules, or through a customer portal that the ERP imports.
Related Terms
Sales Order
A sales order is the ERP document recording a customer's commitment to buy specific items at agreed prices and dates. It reserves or creates demand for supply, triggers picking and shipping, and later drives invoicing and revenue recognition.
EDI (Electronic Data Interchange)
EDI (Electronic Data Interchange) is the computer-to-computer exchange of business documents such as purchase orders, invoices, and shipping notices between trading partners in a standardized structured format, without human intervention.
Demand Planning
Demand planning is the process of forecasting future customer demand by combining statistical analysis of shipment history with sales, marketing, and customer intelligence, producing the consensus demand signal that drives master scheduling and MRP.
MPS (Master Production Schedule)
An MPS (master production schedule) is the time-phased statement of which end items a plant will produce, in what quantities, and in which periods. It is the anchor demand input MRP explodes into component requirements.
Purchase Requisition
A purchase requisition is an internal request to procure goods or services, routed for approval against budget and authority limits before a buyer sources it and converts it into a purchase order sent to a supplier.
Working with Blanket Order in a live environment? Our engineers do this every day - and our AI agents automate most of it.