(a) If, at the time appointed for the sale, the person conducting it considers it to the advantage of all concerned to postpone the sale for want of purchasers, or other sufficient cause, the sale may be postponed from time to time, but each postponement may not exceed one week. Notice of every postponement shall be made by public proclamation. Whenever a request in writing is made by the judgment creditor for a postponement of the sale to a later date and hour and is given to the person conducting the sale, that person shall by public declaration postpone the sale to the date and hour so fixed.
(b) If for any reason the sale cannot be held at the time appointed or within 30 days from the original sale date in the case of real property, the officer who is to conduct the sale shall notify the parties or their attorneys and designate a future day for the sale and give notice in the manner provided in AS 09.35.140.