134 APPENDIX A Bracketed words in ital ics amended by the act iof September 23, 19 14. See page 146. Brae k e ted section in ital ics amended by the act of September 23, 19 14. See page 146. Postal _ savings depository of fices. Hours of busi ness. amount of deposits made therein, the aggregate amount of withdrawals therefrom, the number of depositors in each, the total amount standing to the credit of all depositors at the conclusion of the year, the amount of such deposits at interest, the amount of interest received thereon, the amount of interest paid thereon, the amount of deposits surrendered by depositors for bonds is sued by authority of this act, and the number and amount of unclaimed deposits. Also the amount invested in Government securities by the trustees, the amount of extra expense of the Post Office Department and the postal service incident to the operation of the postal savings depository system, [the amount of work done for the savings depository system by the Post Office Department and postal service in the transpor tation of free mail,] and all other facts which it may deem pertinent and proper to present. [Sec. 2. That the Postmaster General is hereby directed to prepare and issue special stamps of the necessary denominations for use, in lieu of penalty or franked envelopes, in the transmittal of free mail resulting from the ad ministration of this act.] Sec. 3. That said board of trustees is hereby authorized and empowered to designate such post offices as it may select to be postal savings depository offices, and each and every post office so designated by order of said board is hereby declared to be a postal savings depository office within the meaning of this act and to be author ized and required to receive deposits of funds from the public and to account for and dispose of the same, according to the provisions of this act and the regulations made in pursuance there of. Each postal savings depository office shall be kept open for the transaction of business dur ing such hours as the Postmaster General, with