According to the Los Angeles Times, organizations that are using this facility to stay afloat have been ordered to settle their balances in one instalment instead of making monthly payments as they do at present.
This move has been criticised by some members of the business community on the grounds that it puts companies under a large amount of pressure, but BOA's stance is indicative of its need to cut risks at the start of 2012.
Jefferson George, spokesman for the financier, insisted the changes will only affect a "very small percentage" of its customers and insisted they are necessary for BOA to "continue prudent lending to viable businesses across the US".
Recently, research by Bloomberg found that economists expect the six biggest banks in the US - including BOA - to enjoy average profit rises of 57 per cent this year.
By Claire Archer