Pay attention to distinguish between three situations:
1. The printing factory buys paper by itself and prints books, newspapers and magazines with uniform numbers, and the tax rate of 9% is applicable;
2. No matter what kind of paper is printed, the tax rate of 13% is applicable to the paper provided by the entrusting party;
3. The tax rate of13% is applicable to printing plants that buy paper to print other printed materials except books, newspapers and magazines.