A boleto, which can be considered a proforma invoice, can be paid at ATMs, branch facilities and internet banking of any bank, post office, lottery agent and some supermarkets until its due date. After the due date it can only be paid at the issuer bank facilities. Boleto can only be collected by an authorized collector agent in the Brazilian territory.
- "Boleto Bancário for Beginners". The Brazil Business. September 10, 2012.
- "Online Payment for E-Commerce in Brazil - Tech in Brazil". techinbrazil.com.