United States: Reprinted books of original American works are prohibited from entering. U.S. Customs prohibits the entry of books and periodicals with U.S. copyrights that have not been authorized for foreign reprinting. On the customs declaration form filled out before entry, one of the items clearly listed as items that are not allowed to be brought into the country is "reprints of original American books." According to U.S. law, if you are caught possessing pirated products, you will be fined up to $250,000 and may be imprisoned for up to 5 years. In the United States, copyright is strictly protected, and the copyright industry has also made outstanding contributions to the U.S. economy. From 1977 to 1996, the growth rate of the copyright industry was almost three times that of the U.S. economy. In 2001, the U.S. economy was weak, but its copyright industry still showed a strong upward trend. Even so, piracy still exists in the United States. With the advancement of computer and Internet technology, "online piracy" has become a new problem. Less than 24 hours after the best-selling book "Harry Potter" was released, pirated copies appeared on the Internet. (Excerpted from China Broadcasting Network) Singapore: Intensify the crackdown on piracy. Since 1995, Singapore has successively promulgated the Patent Law, Trademark Law, Design Registration Law, Copyright Law, Integrated Circuit Design Protection Law, Territorial The Brand Protection Law, the Plant Variety Protection Law, etc. have formed an operating mechanism composed of government departments, intellectual property offices and professional groups, thus comprehensively launching the protection of intellectual property rights. Singapore’s relevant measures to protect intellectual property rights mainly include five aspects: service, management, mediation, law enforcement, and education. In terms of law enforcement, Singapore has stepped up its crackdown on piracy. The Copyright Law revised in 2004 classifies piracy as a criminal offense. The provisions stipulate that a first-time offender shall be fined 20,000 Singapore dollars and/or imprisoned for six months, and a repeat offender shall be fined 50,000 Singapore dollars and/or imprisoned for three years.