What is firm zone in SAP MM-PUR - Purchasing?

SAP Term: firm zone

• Component: MM-PUR

• Component Name: Purchasing

• Description: A time zone defined in the delivery schedule that determines the level of commitment of schedule lines. The firm zone is specified in days. &EXAMPLE& If the firm zone is 20 days, all schedule lines with delivery dates no more than 20 calendar days in the future from the current date are regarded as "firm". They are fully binding orders or purchase commitments. If the orderer cancels a schedule line that is within the firm zone, the vendor is entitled to invoice the orderer for material and production costs incurred.

Smart SAP Assistant

• Key Concepts: 
  Firm zone is a feature in the SAP MM-PUR Purchasing component that allows users to reserve goods and services for a certain period of time. This feature helps to ensure that the goods and services are available when needed, and prevents them from being purchased by other users. 
  
  How to use it: 
  To use the firm zone feature, users must first select the goods or services they wish to reserve. Once selected, they can enter the desired reservation period in the firm zone field. The reservation will then be valid for the specified period of time. 
  
  Tips & Tricks: 
  It is important to note that the firm zone feature only applies to goods and services that are available in the system. If a good or service is not available, it cannot be reserved using this feature. Additionally, users should be aware that the reservation period can only be extended if there is sufficient stock available. 
  
  Related Information: 
  For more information on the firm zone feature, users can refer to SAP's official documentation on MM-PUR Purchasing. Additionally, users can contact their local SAP support team for further assistance with this feature.