S.C. Code Ann. § 12-43-350
Affected political subdivisions must use a tax bill for real property which contains standard information as follows:
(12) prior year amount paid-only required to be shown if assessment is unchanged from prior year, except during reassessment years, in which case all properties must show the prior year tax amount.
The information required pursuant to this section must be contained in a "boxed" area measuring at least three inches square placed on the right side of the tax bill.