Section 2. Damages
All damages which may be sustained by any owner of property, by reason of such change or vacation of any street or alley, shall be assessed by the same viewers or reviewers appointed as aforesaid, and shall be paid by the said petitioners before any order for any such change or vacation shall have effect, and within three months after the confirmation of the report of the said viewers, or reviewers, otherwise said proceedings shall be set aside. 1845, April 15, P.L. 449, Sec. 2.