i'm creating a report that displays time in and out of all employee. i would like to put a remarks column where it would tell if the employee is tardy or halfday for that day.

if the employee's time in is past 9AM, he is considered late.. and if he comes to the office after lunch, he is considered halfday. however these conditions may change in a year or so.

what should i do to make my program as flexible as possible so that if rules have changed, i do not have to recompile my program again?