If you have defined labor charge values that are not showing up in the application, you may need to edit the start or end date or the Active setting for the labor charge values. In order to be available for use, a labor charge value must be marked as "Active" and the current date must fall within the range defined by the value's start and end date, if these are specified. For more information about these settings and how to edit them, see Editing Labor Charge Field Values.

Yes, the same labor charge value can be a child for more than one parent labor charge values.