it belongs to the crime of duty embezzlement. Forging, altering, buying or selling or stealing, robbing or destroying the official seal constitutes a crime. Private use of the official seal itself is not a crime, but it is usually an integral part of other criminal acts (such as the crime of misappropriating public funds and the crime of releasing detainees privately) and is punished according to those crimes.
if there are no serious consequences, internal punishment can only be given according to the company's internal regulations. If you take evidence, it is also a concrete analysis of the specific situation. You can check whether the internal audit documents are perfect and whether there are surveillance videos. I admit it's ok.
expanding information
in the public security case that the official seal of engraving industry violates public security management, we should pay attention to distinguish it from the crime of forging, altering and privately engraving official seals. The latter includes not only the engraving industry, but also other units or individuals who forge, privately engrave or copy the official seals of other units.
according to article 281 of the criminal law, whoever forges, alters, buys or sells official documents, certificates and seals of state organs shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, public surveillance or deprivation of political rights; If the circumstances are serious, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years.
whoever forges the seal of a company, enterprise, institution or people's organization shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, public surveillance or deprivation of political rights. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years.
Baidu Encyclopedia-Crime of Duty Embezzlement