Here you can establish a rule in days, to set a time span from which an available room will stop being available (this is use to set a time span on availability).
Release: the number of days prior to the stay date that the allotment is still available (anticipation booking date required otherwise the system will not present any availability).
If you select "Custom" Rate Template option, you allow the edition of the per room and per room supplement prices manually. If you select a rate previously loaded in Rate Settings, the prices will be automatically loaded according to the prices loaded in the Rate Setting menu (discounts that were set in the Rate Plan are automatically applied over Rate Template values in this case).
Selecting “No Rate” option is the same as performing stop sales to the rate plan selected (it applies to all days and rooms).