7 Pa. Code § 137b.84
If enrolled land undergoes split off and the tract that is split-off does not meet the size, use and aggregate acreage requirements in section 6(a.1)(1)(i) of the act (72 P. S. § 5490.6(a.1)(1)(i)), the landowner who conducted the split-off shall owe roll-back taxes and interest with respect to all of the enrolled land.
Example 1: Landowner owns 50 acres of enrolled land. Landowner splits off 4 acres in a single year. This split-off would not meet the size requirements in section 6(a.1)(1)(i) of the act. The landowner owes roll-back taxes and interest on the entire 50-acre tract. The 4-acre tract no longer receives preferential assessment. If the 46-acre tract remains in agricultural use, agricultural reserve or forest reserve and continues to meet the requirements of section 3 of the act, preferential assessment would continue with respect to that tract, unless the landowner terminates preferential assessment under section 3(d) of the act (72 P. S. § 5490.3(d)).
Example 2: Landowner owns 50 acres of enrolled land. Landowner splits off 2-acre tracts in 3 different years. The aggregate amount of land split-off (6 acres) exceeds the 10% cap in section 6(c.1)(1)(i) of the act. Under these facts, the aggregate total of split-off land could not exceed 5 acres. The landowner owes roll-back taxes and interest on the remaining 44-acre tract. The three 2-acre tracts no longer receive preferential assessment. If the remaining 44-acre tract remains in agricultural use, agricultural reserve or forest reserve and continues to meet the requirements of section 3 of the act, preferential assessment would continue with respect to that 44-acre tract, unless the landowner terminates preferential assessment under section 3(d) of the act.
7 Pa. Code § 137b.84
This section cited in 7 Pa. Code § 137b.63 (relating to notice of change of application).