SAP Third Party Process Step by Step

Third Party Order process, your company does not deliver the items requested by a customer. Instead, you pass the order along to a third party vendor who then ships the goods directly to the customer and bills you. A sales order may consist partly or wholly of Third Party Order items. Occasionally, you may need to let a vendor deliver items you would normally deliver yourself.

Process Flow

The processing of Third Party Orders is controlled via material types. Material types define whether a material is produced only internally can be ordered only from third-party vendors, or whether both are possible. For example, a material that is defined as a trading good can only be ordered from a third party vendor. However, if you manufacture your own finished products, you may also want, from time to time, to be able to order the same type of product from other vendors.

SAP Third Party Order Process in Sales

Third Party Order items can be created automatically by the system, depending on how your system is set. However, you can also change a standard item to a Third Party item during sales processing manually.

Automatic Third Party Order processing:-

if a material is always delivered from one or more Third Party vendors, you can specify in the material master that the material is a Third Party item. During subsequent sales order processing, the system automatically determines the appropriate item category for a Third Party item: TAS. To specify a material as a Third Party item, enter BANS in the Item category group field in the Sales 2 screen of the material master record.

Manual Third Party Order processing:-

In the case of a material that you normally deliver yourself but occasionally need to order from a third-party vendor, you can overwrite the item category during sales order processing. For a material that you normally deliver yourself, you specify the item category group NORM in the material master.

If, as an exception, you use a third-party material, change the entry TAN to TAS in the ItCa field when processing the sales document. The item is then processed as third-party item.

If address data for the ship-to party is changed in the sales order in third-party business transactions, the changed data will automatically be passed on to purchase requisition and also to the purchase order, if one already exists. In the purchase order, you can display the address data for the ship-to party in the attributes for the item.

You can only change the address data for the ship-to party in the sales order for third party business transactions, and not in the purchase order. 

Processing Third Party Orders in Purchasing

When you save a sales order that contains one or more third-party items, the system automatically creates a purchase requisition in Purchasing. Each Third Party item in a sales order automatically generates a corresponding purchase requisition item. During creation of the requisition, the system automatically determines a vendor for each requisition item. If a sales order item has more than one schedule line, the system creates a purchase requisition item for each schedule line.

Purchase orders are created from purchase requisitions in the usual way. For more information about creating purchase orders, see the Purchasing documentation. During creation of the purchase order, the system automatically copies the delivery address of your customer from the corresponding sales order. In a sales order, you can enter purchase order texts for each third-party item. When you create the corresponding purchase order, the texts are automatically copied into the purchase order. The number of the purchase order appears in the document flow information of the sales order.

All changes made in the purchase order are automatically made in the sales order as well. For example, if the vendor confirms quantities and delivery dates different from those you request and enters them in the purchase order, the revised data is automatically copied into the sales order you process third-party items by creating a normal sales order. In overview for the order, you can then overwrite the default item category (TAN in the standard system) with the special item category for third-party items: TAS

Billing Third Party Orders

If relevance for billing indicator for the item category has been set to B (relevant for order-related billing on the basis of the order quantity) in Customizing, the system includes the order in the billing due list immediately. If, however, the indicator has been set to F (relevant to order-related billing on the basis of the invoice quantity), the system does not include the order in the billing due list until an invoice from the vendor has been received and processed by the purchasing department. In the standard system, item category TAS (Third Party Order process) has been given billing-relevance indicator F.

In the first case, the Third Party Order is considered to be completely billed only when the invoiced quantity equals the order quantity of the sales order item. In the second case, each time a vendor invoice is received, a customer invoice is created for the quantity in the vendor invoice and the order is considered to be fully invoiced until the next vendor invoice is received.

If you have activated billing-relevance indicator F for item categories in Customizing, billing can refer to the goods receipt quantity instead of the incoming invoice quantity.

You can control whether the invoice receipt quantity or the quantity of goods received is relevant for billing in Customizing for copying control for billing at item level.


Individual purchase orders are used when your customer orders goods from you that are not in stock and must be ordered from one or more external vendors.

Process Flow 

During sales order entry, the system automatically creates a purchase requisition item. The purchasing department creates a purchase order based on the requisition and the vendor ships the goods directly to you (unlike third party order processing, where the vendor ships directly to your customer). You then ship the goods to your customer. While the goods are part of your inventory, you manage them as part of the sales order stock. Sales order stock consists of stock that is assigned to specific sales orders and cannot be used for other purposes.

Process Flow for Third Party Order Sales

Customize the Third Party Order sales in summary:
Prerequisites for Third Party sales,
Purchasing org,
purchasing group,
assign the Purchase org to company code
assign Purchase org to plant,
should not maintain the stock in material, it should be trading goods,

1. Create Vendor XK01

2. Create Material – Material Type as “Trading Goods”. Item category group as “BANS”.

3. Assign Item Category TAS to Order type that you are going to use.

4. A sale order is created and when saved a PR is generated at the background

5. With reference to SO a PO is created (ME21N). The company raises PO to the vendor.

6. Vendor delivers the goods and raises bill to company. MM receives the invoice MIRO

7. Goods receipt MIGO

8. Goods issue

9. The item cat TAS or Schedule line cat CS is not relevant for delivery, which is evident from the config, and, therefore, there is no delivery process attached in the whole process of  Third Party sales.

10. Billing

SD – 3rd party sales order Create Sales Order
Order Type
Sales org, distr chnl, div
Sold to
PO #

SD – 3rd party sales order View the PR that is created with a third party sales order
Order Number
Goto Item Overview
Item ->Schedule Item

SD – 3rd party sales order View the PR that is created
Key in the PR number

SD – 3rd party sales order Assign the PR to the vendor and create PO
Key in the PR number
Toggle the “Assigned Purchase Requisition”
Check the box next to the material
Assign Automatically button
Click on “Assignments” button
Click on “Process assignment”
The “Process Assignment Create PO” box , enter
Drag the PR and drop in the shopping basket

SD – 3rd party sales order Receive Goods
PO Number
DN Number
Batch tab , click on classification
Serial Numbers tab
Date of Production
Flag Item OK
Check, just in case

SD – 3rd party sales order Create Invoice
Invoice Date
Look for the PO , state the vendor and the Material
Check the box
Click on “Copy”
Purchase Order Number (bottom half of the screen)
State the baseline date
Simulate & Post
Invoice Number
*Invoice blocked due to date variance

SD – 3rd party sales order Create a delivery order
In the order screen , go to the menu Sales Document , select “Deliver”
Go to “picking” tab
State the qty and save

SD – 3rd party sales order Create a billing document
Ensure that the delivery document is correct in the
Go to edit -> Log

Also See: SAP Project Phase 

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