Limit Valid Date
Setup employee valid date. If setup is "No", the card can use forever. If setup is "Yes", then the valid date can be put in "Valid Date" property. This property is used by Expert Mode.

displayWhy are there "*" behind property name and property is bold type font?
displayWhy is the saved button still forbidden after property changed?
displayWhy property is forbidden or hidden?
displayWhy property value displays multiple value and can not be displayed?