Their uncertain fate, coupled with the fear of being punished by the market, have led other governments to steer clear of the Common Framework.
"It doesn't give them any incentives," the Washington-based Center for Global Development's Daouda Sembene, a former director at the International Monetary Fund (IMF), told Reuters.
"Unfortunately, it so far has done some harm and not necessarily good."
Alarm bells are ringing for many. According to the IMF, some 60% of low-income countries - mostly in Africa - are either in debt distress or at high risk of it, up from less than 30% in 2015.
This year, 74 low-income nations must repay $35 billion to bilateral and private lenders - nearly double from 2020, the World Bank calculated. With the U.S. Federal Reserve on the verge of hiking interest rates, borrowing costs are set to increase for riskier emerging markets.