Special assessment recovery of expenses

(1) A scheme may provide that the cost or a portion of the cost of any works to be executed as part of the scheme shall be a special charge upon the property within a particular area to the exclusion of the rest of the area to which the scheme applies, and the Central Authority may fix and apportion the amount of the special charge thereon and the persons and times by whom and when it is payable. (2) Whenever a scheme provides for a special assessment under subsection (1) of this section, no claim shall be made by the Central Authority for betterment against the owners of property situate within the particular area to which the assessment relates.