Pork and chicken processors welcomed the publication of Joint Directive No.1 as a means to reduce their costs of production when purchasing soybean meal and corn. In addition, both sectors already benefit from another drawback program which exempts from import duties agricultural inputs used in the processing of pork and chicken for exports, such as corn from Argentina.
http://gain.fas.usda.gov/Recent%20GAIN%20Publications/New%20Tax%20Incentives%20for%20Agricultural%20Processors%20and%20Exporters_Brasilia_Brazil_4-9-2009.pdf