[1] Under the Treaty of Versailles Germany was forbidden from setting its own tariff until 1925.
[2] Tariffs on agricultural products had been abolished at the start of World War I to ensure a continuous food supply.
[3] The election of December 1924 led to a coalition government under Hans Luther, with the protectionist DNVP supporting an agricultural tariff.
[4] There also emerged a new solidarity bloc between industry and agriculture that favoured the restoration of protection.
[6] However, from August 1926 wheat and rye were subject to a duty of 5 marks.