What will be my proof of ownership for Premyo Bonds? December 21, 2021 06:56 Updated An e-copy of the Confirmation of Sale (COS) will be downloadable from your online account on the listing date. Related articles Can I trade/sell Retail Treasury Bonds (RTB) and Retail Dollar Bonds (RDBs)? How? Can I trade/sell the Premyo Bonds? How much is the broker’s fee for Premyo Bonds? How do I avail Premyo Bonds? Can I order Premyo Bonds multiple times? How will I know if I win?