Established as the Enhanced Structural Adjustment Facility (ESAF) in 1987, It has also been used as the IMF's concessional lending facility, which provides finance for Poverty Reduction Strategy Papers (PRSPs).

The IMF's low-interest lending facility for poor countries, established in 1999 and intended to be more favorable to reducing poverty and promoting growth than previous policies.

The IMF's concessional lending facility which provides finance for Poverty Reduction Strategy Papers (PRSPs). PRGF was previously called the Enhanced Structural Adjustment Facility (ESAF).