return receipts for registered mail

return receipts for registered mail Sec. 7. Whenever the sender of any registered mail shall so request, and upon payment of a fee of 7 cents at the time of mailing or of 15 cents subsequent to the time of mailing, a receipt shall be obtained for such registered mail, showing to whom and when the same was delivered, which receipt shall be returned to the sender, and be received in the courts as prima facie evidence of such delivery: Provided, That upon payment of the additional sum of 24 cents at the time of mailing of any such registered mail, a receipt shall be obtained for such registered mail, showing to whom, when, and the address where the same was delivered, which receipt shall be returned to the sender, and be received in the courts as prima facie evidence of such delivery: Provided further, That no refund shall be made of fees paid for return receipts for registered mail where the failure to furnish the sender a return receipt or the equivalent is not due to the fault of the postal service.