(1) To prevent the circumvention of the purposes of this chapter by the offering or giving of any rebate, allowance, free goods, discount or any other thing or service of value;
(2) To permit the immediate withdrawal of, addition to, deletion from or amendment to any schedule, or modification of prices therein, when not inconsistent with the purposes of this chapter, when necessary to avoid practical difficulties or unnecessary hardships to any licensee or because of acts or circumstances beyond the control of a licensee and under such terms and conditions as are necessary to carry out the purposes of this chapter;
(3) To permit the sale by a retailer of a brand of alcoholic beverages for which a minimum retail price schedule has not been and cannot be filed, which is necessary to avoid practical difficulties or unnecessary hardships of any licensee or because of acts and circumstances beyond the control of a licensee and under such terms and conditions as are necessary to carry out the purpose of this chapter.