Supplier Master Data Self-Maintenance 
Supplier registration (ROS) is now connected to SAP ERP, allowing purchasers to monitor changes to supplier master data, accept or reject them, and transfer these changes to the back-end system.
You have activated the business function SRM, Supplier Collaboration (SRM_SUCO_1).
The supplier has been assigned the Supplier Administrator role.
The purchaser has been assigned the Purchasing Administrator role.
The supplier logs on to the supplier self-services system and chooses .
The supplier updates their master data, uploads any necessary attachments, and chooses Save.
The purchaser logs on to the supplier self-services system and chooses .
The purchaser reviews the changes to the supplier's master data, and, if he decides to accept them, chooses Transfer to Backend.