1947 US Dollar Bond Act Article 4

The Bond will be issued at full face value. Purchasers may use the following methods to pay for the bond:1. Pay in US dollar deposits or US dollars cash,2. Pay in deposits or cash of another foreign currency converted into US dollars at the rate quoted by the Central Bank,3. Pay in gold converted at a rate to be prescribed in an order by the Ministry of Finance.
中文原文 民國三十六年美金公債條例第4條
本公債照票面十足發行,購買人得依照左列方法,繳付債款:
一、以美金存款或美金現幣繳購。
二、以其他外幣存款或現幣,依照中央銀行牌價,折合美金繳購。
三、以黃金繳購,其折合率由財政部以命令定之。

English translation for reference only; the Chinese text prevails. Not legal advice.