Melli and Mellat bank are mentioned here http://www.fincen.gov/statutes_regs/guidance/html/fin-2008-a002.html
.....Iranian governments have in the past often instructed state banks to provide low-interest loans to various sectors in order to boost the economy,......
So, now we know.
Barney Frank, the Queeeah from Massachusetts, learned how to make loans to the destitute from the Mullahs in Iran