Chongqing's new version of the invoice "three strokes" to identify the authenticity of the roast will know the authenticity Date: September 23/2009 Author: Chongqing Invoice Local Taxation Bureau related person in charge introduced Chongqing's new version of the invoice identification method, consumers can identify the authenticity from the following three aspects:

1. Physical anti-counterfeiting technology and authentication method: The front of Chongqing invoice can present a black watermark pattern composed of tax emblem and the words "Sichuan local tax" under natural light.

2. Chemical anti-counterfeiting technology and identification method: the back of Chongqing invoice is printed with pink temperature-changing fluorescent anti-counterfeiting line. When the temperature exceeds 42℃, the color of the pink temperature-dependent fluorescent safety line disappears, and vice versa. This temperature change function can be repeated continuously. Consumers can use high-temperature heat sources such as lighters and boiling cups to put Chongqing invoices on them for baking and testing.

3. Digital anti-counterfeiting technology and the method of inquiring authenticity: Chongqing invoice number, password and prize area information are all printed by digital anti-counterfeiting technology, and the three are the only corresponding relationship. Consumers can call the Chengdu Local Taxation Service Hotline (02 1) 12366, log on to the website of Chengdu Local Taxation Bureau (www.cq-l-tax.gov.cn), edit the SMS, and continuously input the Chongqing invoice code, number and password to 10629999 to check the authenticity of the Chongqing invoice.