Some resorted to contraband to transport their cargoes untaxed. The Commission and the State Police found untaxed contraband liquor in the home. They get money by illicitly selling untaxed cigarettes in a pub, and defy the police. Therefore, income from labour and proper capital should remain untaxed. In the 1830s hundreds of illegal untaxed newspapers circulated. D'Amico claimed Garner had been selling 10,000 untaxed cigarettes, which was a felony. For Mexico, this mostly involves struggling against the importation of untaxed goods, especially automobiles. FairTax supporters state that the black market is largely untaxed under the current tax system. The goal is to bring into the formal economy the many unregistered and untaxed purchases. The tax was bypassed by purchasing untaxed plain paper and having it hand stenciled. After the FairTax is in effect, the credit could be paid off using untaxed payroll. Perkins Engines supplied some conversions into diesel engines which could use untaxed red diesel. Their publishers were prosecuted but this failed to discourage untaxed newspapers. Untaxed retail items include medications, water, ice and unprepared, raw staple foods or fruit juices. Airline fuel is untaxed because of a series of treaties existing between countries.