Plain tobacco packaging Kingdom (May 2017), New Zealand (June 2018), Norway (July 2018), Ireland (September 2018), Thailand (September 2019), Singapore and Turkey (2020). Belgium, Hungary, Slovenia and Uruguay have plain packaging cigarette laws, but are yet to go into effect. Only indirect evidence of plain packaging's effectiveness was available until its release in Australia. On 24 May 2011, Cancer Council Australia released a review of the evidence supporting the introduction of plain packaging to reduce youth uptake. The review had been conducted by Quit Victoria and Cancer Council Victoria. The review includes 24 peer-reviewed studies conducted over two decades, suggesting that packaging plays
Tobacco packaging warning messages back of the package, and was expanded in 1994 to include eight messages covering 25% of the front top of the package. In 2000, the Tobacco Products Information Regulations (TPIR) were passed under the Tobacco Act. The regulations introduced a new set of sixteen warnings. Each warning was printed on the front and back of the package, covering 50% of the surface, with a short explanation and a picture illustrating that particular warning, for example: accompanied by a picture of a human lung detailing cancerous growths. Additionally, on the inside of the packaging or, for some packets, on a pull-out