Explain me validation and substitution? and where they are applicable?

Question

Accepted Answer

Validation and substitution are functionalities in SAP FICO used to enforce data integrity and automate data entry processes.

Validation ensures that data entered meets certain criteria or conditions before being saved.
Substitution automatically populates fields with predefined values based on certain conditions.
Validation and substitution can be applied to various fields in SAP FICO such as GL accounts, cost centers, and document types.
They are commonly used to enforce business rules, improve data accuracy, and streamline data entry processes.
For example, validation can be set up to ensure that a GL account entered belongs to a specific account group, while substitution can automatically populate the cost center based on the GL account entered.

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