Subject to appropriate user rights, even closed yield rates can be assigned to a reservation. A message advising of closed rates and restrictions is displayed to alert the user.
Figure 8: Message when booking a closed rate
A lock-icon 
is shown on the reservation to alert
users to the fact, that a closed rate was booked.
Figure 9: Reservation with a closed rate
A tooltip on the rate-field provides information regarding restrictions.
Figure 10: Tooltip on rate-rate field