Under Settings, select the Price List option. Within that you have the option to change the desired restriction plan. Restriction plans can be different minimum and maximum numbers of nights per specific period / sales channel. Once you have defined the plan, you need to connect it to your sales channel. You do this by entering a plan within the online sales channel and linking it to the same from the channel manager system. And you can make changes directly from the Calendar, by selecting the plan that you can select above Calendar in the drop-down menu.