Naturally, the Confederacy wanted everyone in its country to use its money, so a program was set up to buy greenbacks for CS dollars. The program was initially successful, as was the newspapers shaming businesses that refused to accept CS money. As the war began to go badly, sales to the Government essentially ceased.
However, the Government's need for greenbacks had soared. Every method of collecting them was tried, including robbing Federal paymasters on several occasions. Major Mason Morfit was assigned by the QM General to purchase greenbacks from POWs for all the Government's requirements in October 1864. The Government's requirements at that time including buying goods (mostly food and medicine) through the lines from various sources.