As stipulated in Art. 14.18 of the Customs Tariff Act, the imports of goods with a total customs value of JPY 10,000 (approx. USD 67) or less are exempt from customs duties. This amount is below the USD 200 threshold recommended by the International Chamber of Commerce (ICC).

It is reported that the ".JP" domain name registration framework stipulates the necessity of a local contact address.

The "Act on Specified Commercial Transactions", the "Consumer Contract Act", the "Act on the Protection of Consumers Who Use Digital Platforms for Shopping", together with several other statutes, establish a comprehensive framework for consumer protection that extends to online transactions.

Japan has not signed the United Nations (UN) Convention on the Use of Electronic Communications in International Contracts.

Japan's Act on the Limitation of Liability for Damages of Specified Telecommunications Service Providers and the Right to Demand Disclosure of Identification Information of the Senders establishes a safe harbour regime for intermediaries for copyright infringements. According to Art. 3 of the Act, no Internet service provider (ISP) may be held liable for failing to delete infringing content. Furthermore, the Act also shields ISPs from the liability for any damage caused by the deletion of content on its network if the ISP reasonably believes that the content infringes the intellectual property rights or privacy of others or if a third party alleges infringement and the content sender does not respond to the ISP's inquiry within seven days.

Japan's Act on the Limitation of Liability for Damages of Specified Telecommunications Service Providers and the Right to Demand Disclosure of Identification Information of the Senders establishes a safe harbour regime for intermediaries beyond copyright infringements. According to Art. 3 of the Act, no Internet service provider (ISP) may be held liable for failing to delete infringing content. Furthermore, the Act also shields ISPs from the liability for any damage caused by the deletion of content on its network if the ISP reasonably believes that the content infringes the intellectual property rights or privacy of others or if a third party alleges infringement and the content sender does not respond to the ISP's inquiry within seven days.

Act for the Prevention of Illegal Mobile Phone Use requires mobile voice communication carriers to verify the identity of subscribers when a contract is terminated or transferred.

Japan has introduced import restrictions on certain goods from Russia under the Foreign Exchange and Foreign Trade Act. The Ministry of Economy, Trade and Industry has amended its public notice, based on Art. 52 of the Foreign Exchange and Foreign Trade Act and Art. 3 of the Import Trade Control Order. This amendment subjects the import ban to approval under Art. 4 of the same Order. The items affected by this approval procedure include automatic data-processing machines and related units (HS 84.71), as well as parts and accessories for office machines like computers and printers (HS 84.73), among others.

As amended in April 2022, under Art. 2.4 of the Cabinet Order on Export Trade Control, anyone wishing to export goods listed in Table 2-3 to Russia must obtain approval from the Minister of Economy, Trade and Industry, following the procedures established by the Ministry's Order. Table 2-3 includes several ICT goods, such as computers and their accessories, communication devices, cryptographic equipment, integrated circuits, semiconductor devices, electronic test equipment, analogue and digital recording devices, oscilloscopes, and components for microwave and millimetre wave equipment.

The Act on the Protection of Personal Information provides a comprehensive regime of data protection in Japan.

Ar. 4.1 of the "Act on Nippon Telegraph and Telephone Corporation, etc." stipulates that the government must at all times hold more than one‑third of the total number of issued shares in the telecommunications company Nippon Telegraph and Telephone (NTT).

It is reported that the government holds one-third of the shares in the telecommunications company Nippon Telegraph and Telephone (NTT), as envisioned in Art. 4.1. of the "Act on Nippon Telegraph and Telephone Corporation, etc.", which requires the government to retain more than one‑third of the company’s issued shares at all times.

It is reported that Japan mandates functional and accounting separation for operators with significant market power (SMP) in the telecom market.

Under the Radio Act (Act No. 131 of 1950) (電波法 (昭和二十五年法律第百三十一号), the allocation of the spectrum is at the discretion of the Ministry of Internal Affairs and Communication (MIC), based on consultation with the Radio Regulatory Council and consideration of plans submitted by the operators. The Act was amended in May 2019 to adopt what is called a "partial auction system," whereby the MIC considers the amount of special fees submitted by the applicant based on their own valuation of the spectrum, although it is not a decisive element. It is reported that the MIC's decision-making is arbitrary and opaque. Moreover, it reported that "several current spectrum allocations create bands unique to Japan (e.g., for self-driving vehicles) that prevent foreign technologies from functioning in Japan". On 30 August 2024, the MIC released a report from an advisory council on the use of a “conditional auction” mechanism for the allocation of underutilised millimetre wave bands or frequency bands that need to be shared with other wireless systems.

Japan has appended the World Trade Organization (WTO) Telecom Reference Paper to its schedule of commitments.