The citizens of the city are put on notice that this chapter is subject to Article XI of the Charter of the city. Article XI is entitled “Direct Legislation” and provides the procedures which must be followed for exercising the power of initiative or referendum, and the said Charter Article XI shall be the special initiative procedure adopted on this chapter pursuant to Section 19, Senate Bill No. 4972, 1982 First Special Session. (Ord. 861-82 § 3, 1982.)