(a) A home-rule municipality by charter may adopt any other method of financing an improvement described by Section 311.091, 311.092, or 311.093.
(b) Another method adopted by charter for financing an improvement described by Section 311.092 must:
(1) charge the cost of the improvement to the property and to the owner of the property specially benefitted in enhanced value by the improvement and located in the territory in which the improvement is made; and
(2) describe the manner of:
(A) appointing commissioners;
(B) giving notice; and
(C) fixing assessments or otherwise providing for the payment of the improvement.