7-1-5: SALE:
   A.   Conducted; Offer: On the day fixed for the sale, the City Treasurer, in person or by deputy, shall appear at the hour and place named in the notice of sale and at public auction, and there offer to the highest responsible bidder sufficient of the delinquent real estate for a sum sufficient to pay the taxes, interest and costs. The offer of sale shall be substantially in the following language:
There is delinquent upon                   (here describe the piece of property as in the notice) special taxes amounting to                      dollars with interest, costs, and expenses of                           dollars. What is the smallest portion of this property which you will take and pay the taxes, interest, costs and expenses?
   B.   Continued: If the sale is not concluded by four o'clock (4:00) P.M. of the day advertised, it may be, by the City Treasurer, continued until twelve o'clock (12:00) noon of the next-succeeding business day and thereafter in the same manner proceeded with and continued until completed. (1979 Code § 6-216)