Legal basis: People's Republic of China (PRC) Criminal Law.
Article 253 Postal personnel who open, conceal or destroy mail and telegrams without permission shall be sentenced to fixed-term imprisonment of not more than two years or criminal detention. Whoever commits the crime of stealing property mentioned in the preceding paragraph shall be convicted and given a heavier punishment in accordance with the provisions of Article 264 of this Law.
Article 253-1 Whoever, in violation of the relevant provisions of the State, sells or provides personal information of citizens to others, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention and shall also, or shall only, be fined; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined. Whoever, in violation of the relevant provisions of the state, sells or provides others with personal information of citizens obtained in the course of performing their duties or providing services shall be given a heavier punishment in accordance with the provisions of the preceding paragraph. Whoever steals or illegally obtains citizens' personal information by other means shall be punished in accordance with the provisions of the first paragraph. Where a unit commits the crimes mentioned in the preceding three paragraphs, it shall be fined, and the persons who are directly in charge and other persons who are directly responsible shall be punished in accordance with the provisions of the preceding three paragraphs.