Hello
Please refer to the following SAP note:
43636 - Discontinued parts
This note provides a detailed explanation of the system standard design of the usage of discontinued parts with material requiremenst planning and the most common questions about this issue.
The following information is provided on this note regarding the PIRs:
2. Planned independent requirements and forecast requirements are not redirected.
Explanation: Planned independent requirements after the effective-out date are not redirected but are provided with an exception message in the MRP list stating that they cannot be included in the availability check. Planned independent requirements and forecast requirements are therefore displayed in the MRP list and in the stock/requirements list. However, they do not influence planning
BR
Caetano