(6)For some lesser used and less vulnerable significant benchmarks, it may be possible for a single natural person to act as the oversight function, where the natural person can commit an appropriate amount of time to the oversight of the relevant benchmarks. Where the oversight function is a natural person, it is exempt from certain procedures which are only appropriate for a committee. Due to the high degree of use of critical benchmarks and the risks they might cause in certain instances, critical benchmarks should not be overseen by a natural person.