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Multi-BOM Management general functionality > Running accountability checks > Running an advanced accountability check

Understanding net effectivity

You can use net effectivity during the accountability check if the following is true:

  • Defining unit effectivity on an occurrence is enabled.

  • The ability to configure structures to show multiple units on multiple end items at once is configured.

  • The net effectivity compare extension is registered.

When these points are fulfilled, you can compare the effectivity of matching source/target objects. However, the effectivity that you define on each object is not necessarily the actual effectivity. The actual effectivity is the intersection of all effectivities set on the path from the root node to the selected object. This intersection is referred to as net effectivity. In addition, when you compare two structures, the net effectivity includes the intersection of the effectivities of these two structures.

Related Topics

  • Configure the accountability check to use net effectivity

  • Setting up the accountability check

Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.xid1364469/id1108307 · retrieved 2026-07-11