Advanced Customization > Business Logic Customization > Customizing Security Labels > Customizing Security Labels > Additional Considerations for Custom Security Labels
  
Additional Considerations for Custom Security Labels
The following sections contain information that is helpful when you have implemented custom security labels.
Custom Security Labels and Watermarks
When a custom security label is selected from one of the property groups and included in a watermark, the external value displays.
Removing Custom Security Label Values
Although custom security label values are not defined in the security labels configuration file, you might want to discontinue use of a value. To remove uses of a custom security label value, change all uses of that label value to the null (blank) value for the security label, or to a label value that will remain in use.