Since 2012, Costa Rican banknotes are undergoing a reform and are being replaced by a new model. Two new denominations were introduced as part of the reform; 20,000 and 50,000 colones. The old notes will all be withdrawn from circulation and be replaced by new ones. The new banknotes will have different colors, shapes and images than their predecessors. All the denominations have a different length so that people with visual impairments can recognize the banknotes easily.