1. Click the invoice query under the main page of official website, State Taxation Administration of The People's Republic of China, People's Republic of China (PRC);
2. Enter the invoice code, invoice number, invoice date and other information to query.
The method of identifying the authenticity of extended data invoices;
(1) "Bending-fluorescent color-changing security fiber (yellow-blue double-sided fluorescence)"
1, anti-counterfeiting effect. Invoice paper is basically the same as ordinary paper in natural light. When the front and back of the invoice are irradiated with 365nm ultraviolet light, the anti-counterfeiting fluorescent fiber can be seen, and the fiber is curved, and the same fluorescent fiber shows the characteristics of alternating yellow and blue fluorescent colors.
2. Identification method. When the invoice is placed under the money detector or other 365nm ultraviolet light source, you can see that there are many curved anti-counterfeiting fluorescent fibers in the invoice paper. When the front and back of the invoice are alternately illuminated by ultraviolet light, it can be observed that the same fiber has the effect of alternating yellow and blue fluorescent colors.
(2) Anti-counterfeiting of paper temperature change
1, anti-counterfeiting features. Under normal circumstances, invoice bookkeeping and invoice couplet are all white. At the temperature of 130 degrees, the heating part on the back of the paper is pink and the color is irreversible.
2. Identification method. Simple heaters (such as hair dryers, hair straighteners, lighters, electric irons, etc.) are used in daily life. ) Close to the invoice bookkeeping sheet and invoice couplet, the heating part on the back of the couplet sheet changes from white to pink. Color is irreversible.
(3) Anti-counterfeiting of marking paper.
1, anti-counterfeiting features. In general, the invoice bookkeeping page and invoice page are white. Draw a line on the back of the invoice page with a hard object, and light blue lines appear on the paper.
2. Identification method. Put the invoice bill and invoice together on a hard surface, and use nails, bamboo sticks or other smooth hard objects to quickly cross the back of the paper, so that the paper presents the anti-counterfeiting characteristics of light blue lines. See the figure below.