Section 3

Section 3. And be it further enacted by the authority aforesaid, That upon the return of valuation and assessment of damages, as aforesaid, for ground or other property taken and appropriated for public streets, lane or alleys, within the city aforesaid, and the court of quarter-sessions of the county of Philadelphia having approved the same, the amount of damages awarded, as aforesaid, shall be paid by the treasurer of the said county, and so soon as the said damages are paid, the mayor of the said city shall cause such street or other passage to be opened, agreeably, to the direction of the court: Provided always, That unless the same shall be paid within one year next after the return made by the viewers, all such proceedings as aforesaid shall be void and of no effect whatever.