Maintain Source List in SAP

In this SAP MM (Material Management) tutorial we will learn the step-by-step procedure to maintain source lists in the SAP system with proper screenshots.

What is Source List?

The SAP MM Source List is used for the administration of sources of supply. It specifies the allowed or disallowed sources of any material for a specific manufacturing plant within a predefined period.

Using the following t-code you can change or display all the source lists created on your SAP system.

•  ME03 – Display the Source List
•  ME04 – Change the Source List

IMF Path to Maintain the Source List

SAP Easy Access > Logistics > Materials Management > Purchasing > Master Data > Source List > Maintain

How to Maintain Source List?

Enter the t-code ME01 in the SAP Command field and press Enter to Execute it.

Now on the Maintain Source List: Initial Screen specify the following details

• Material: Enter the material number that you to maintain the source list.
• Plant: Enter the respective plant code.

Next on the Maintain Source List: Overview Screen give the following details

• Enter the valid period until which you can procure this material from this vendor.
• Enter vendor code in the vendor field.
• Enter respective purchasing organization.
• Select the fixed source field if the vendor is fixed.
• Select block source of supply field if the vendor is blocked for procurement for this material.
• Enter 1 in to be included in the MRP run.

Once all the details are entered click on the Save button to save the new entries.

A message Data was saved will be displayed on the bottom of your screen.

Automatic Creation of Source List

A Source list can also be created automatically by changing some settings in the material master. 

Please follow the steps below to create a source list automatically:

Execute t-code MM02 in the SAP command field.

Next on the Change Material (Initial Screen) select the Material and then click the Select View button

Now from the Select View choose the View and press Enter to proceed.

Now on the inside purchasing view, check the box for the Source list option.

Now click the Save button to save the new Source List that is created automatically.

Display the Source List

Please follow the steps below to display the source list:

Execute t-code MM03 in the SAP command field.

Now on the Display Source List: Initial Screen specify the following details

• Material: Enter the material number that you to maintain the source list.
• Plant: Enter the respective plant code.

A list of source list will be displayed

Change Source List

Please follow the steps below to change the source list:

Execute t-code MM04 in the SAP command field.

Now fill up all the fields as shown in the image below to change the source list