SDCL § 46A-10A-79: Apportionment of original cost to annexed area when project extended.

If an existing drainage project is extended or enlarged, the board or boards shall apportion the benefits resulting to the annexed area from the existing construction in the original project as a cost to be absorbed by the lands of the annexed area on the basis of the original cost of the drain.

Source: SL 1985, ch 362, § 80.