Security Rules for Charge Account segments

Hi All,

I'm using version 12.2.5, and would like to create a Security Rule on one of the Charge Account segments within the Requisitions form (within Purchasing) in order to restrict some segment values from being selected by the users.

Setup I performed:

1. Validations -> Security -> Define -> Key Flexfield

Under the "ACCOUNT" segment I wanted to disable some values (like REVENUE) that the users won't be able to select.

So I created an "Exclude" line and entered the From and To segments I want to restrict.

2. Validations -> Security -> Assign-> Key Flexfield

I assigned the rule I created to: