incurring additional points or discipline. (b) Requirements for attendance systems It shall be an unlawful employment practice for an employer to maintain any attendance system policy, or pattern and practice, that discourages employees from exercising, or attempting to exercise, any right to legally protected leave. (c) Additional prohibitions (1) Interference with rights (A) Exercise of rights It shall be an unlawful employment practice for any employer to interfere with, restrain, or deny the exercise of, or the attempt to exercise, any right provided under this subtitle, including— (i) discharging or discriminating against (including retaliating against) any individual for exercising, or attempting to exercise, any right provided under this subtitle