Iowa Code
Chapter 563 - WALLS IN COMMON
Section 563.7 - Rebuilding in order to heighten.

563.7 Rebuilding in order to heighten.
If the wall so held in common cannot support the wall to be raised upon it, one who wishes to have it made higher must rebuild it anew and at that person’s own expense, and the additional thickness of the wall must be placed entirely on that person’s own land.
[R60, §1920; C73, §2025; C97, §2999; C24, 27, 31, 35, 39, §10169; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §563.7]