The plan is to grow organically in the region by leveraging expertise from the Brazilian banking market.
Industry chamber Colombia Fintech says the rules - as they currently stand - would hamper the segment.
The Prodefesa agriculture program will see US$200mn in financing from IDB.
The defense ministry said Monday the rebel group was responsible for three weekend bomb explosions in the country's north.
The tax authority uncovered some 6,500 firms it has confirmed or suspects of operating as so-called ghost companies - holding legal tax status but whose operations are faked, opening the door to money laundering and corruption.