Key Facts

—The prize. Bolivia’s central bank estimates about $4 billion in dollars sit outside the banking system.

—The promise. Officials want to reopen dollar savings accounts and guarantee new Bolivia dollar deposits will never be frozen.

—The repayment. From July 15, savers with $1,001 to $3,000 frozen can withdraw, part of a roughly $933 million return plan.

—The backdrop. Bolivia scrapped its 15-year fixed exchange rate in June, letting the boliviano float from 9.73 per dollar.