Engineering Change Management: Validity
Types for Bills of Material
Previously, you could define the validity of an object change
using the valid-from date of a change
number. The change becomes valid on the valid-from date.
As of Release 4.0A, you can use new validity types to define the
validity of changes to BOMs.
Standard R/3 System
The following new validity types are defined in the standard R/3
You can define the upper and lower
limit of the validity period of an assembly.
- Serial number (range of serial
You can define the validity of an
assembly in terms of the serial number of a finished product.
This is especially useful if the change to a finished product is
subject to strict access restrictions.
You can use validity type
Serial number to define the validity of a
change as follows:
- Valid for one serial number of a product
- Valid for a range of serial numbers for a product
Company-specific validity types
In Customizing, you can define company-specific validity types.
- You define parameters that are linked to a data element.
- This link defines the properties of parameter values (for
example, alphanumeric string of 18 characters).
- The parameter type that you link determines the possible
entries in the field (for example, a single value or an open
- You assign the parameters you define to a validity type, and
enter the priority of the validity type for changes to
Change system parameters in customizing
Before you can use the new validity types to define the validity
of changes to BOMs, you must define the following settings in
In this step, you activate the new
The new validity types are only supported for BOMs in this
release. Once you have defined a change master record with a new
validity type, you can only use it to change BOMs.