South Dakota Codified Laws
Chapter 21A - Classification Of Urban And Rural Property For Tax Purposes
Section 9-21A-6 - Agricultural land annexed--Limitation on tax levy and assessed value.

9-21A-6. Agricultural land annexed--Limitation on tax levy and assessed value.
The ordinance shall determine that the tax levy and assessed value on the agricultural land annexed shall not exceed the average tax levy and average assessed value on unannexed agricultural land in adjoining townships in the county as long as the annexed agricultural land remains rural property as defined by this chapter.

Source: SL 1972, ch 68, ยง5.