Under the Trade Agreements Act (TAA), if the acquisition value of the tender is above a certain purchasing threshold (usually USD 200,000, although sometimes lower), US suppliers must turn to either domestic producers or countries with which the US maintains a free trade agreement (FTA). The TAA opens procurement markets only for products from the US or these so-called “designated countries” and prohibits procurement of end products from non-designated countries (e.g. China, India, Indonesia, Thailand). The purchasing threshold that needs to be reached to involve the TAA depends on the FTA in question and is updated every two years.

Although the US is a signatory to the WTO Government Procurement Agreement (GPA), its coverage schedules do not fully cover the three most relevant service sectors (CPC 752, 754, 84). While value-added telecommunications services are covered, the agreement does not cover procurement of public utility services, including telecommunications and automatic data processing (ADP)-related telecommunications services.

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Section 3 of Executive Order 13913 formally establishes the Committee for the Assessment of Foreign Participation in the United States Telecommunications Services Sector, commonly known as Team Telecom, which assists the Federal Communications Commission (FCC) in reviewing national security and law enforcement concerns related to foreign involvement in the U.S. telecommunications sector. Under Section 5, the Committee is authorised to conduct a 120-day review of certain applications referred by the FCC, with the possibility of a 90-day extension if a secondary assessment is required. Section 9 empowers the Committee to recommend a range of actions to the FCC, including approval without objection, approval subject to mitigation measures, denial, or modification or revocation of a licence. It has been reported that, following procedures initiated prior to the issuance of the Executive Order, the FCC revoked the licences of four foreign common carrier wireless providers.

The U.S. is a signatory of the World Trade Organization (WTO) Information Technology Agreement (ITA) of 1996 and its 2015 expansion (ITA II).

In October 2008, the United States authorities imposed a definitive anti-dumping duty on the import of electrolytic manganese dioxide (HS Code: 282010), which is the critical component of the cathode material in modern alkaline, lithium and sodium batteries, including electrochemical capacitors and hydrogen production. The duty applies to imports from Chinese firms, most notably Guizhou Redstar Developing Import and Export Company, Ltd. This measure was extended in January 2015 and subsequently in July 2020. The rate of duty on imports from China is 149.9%.

In June 1991, the United States authorities imposed a definitive anti-dumping duty on imports of silicon metal (HS Code: 280469) from China, which is used also for producing silicon compounds as well as silicon wafers used as electronic semiconductors. This measure was last extended in June 2018. The rate of duty on imports from China is 139.5%.

In March 2003, the United States authorities imposed a definitive anti-dumping duty on imports of silicon metal (HS Code: 280469) from Russia, which is also used for producing silicon compounds as well as silicon wafers used as electronic semiconductors. This measure was last extended in June 2020. The rate of duty on imports from Russia is 79.4% for all companies, with the exception of Russian ZAO Kremny/Sual-Kremny-Ural Ltd, which gets a 56.1% duty.

It is reported that the de minimis threshold, that is the minimum value of goods below which customs do not charge duties, is GBP135 (approx. 200 USD), following the 200 USD threshold recommended by the International Chamber of Commerce (ICC). The UK has not changed its de minimis threshold since departing the EU and has not stated plans to deviate from the £135 threshold.

The UK has robust consumer protection laws, as laid out in the Consumer Rights Act 2015. The rights enumerated in the 2015 legislation, which include standards for considering goods faulty, unfair contract terms, right to repair, and right to return, apply to both in-person and online transactions. The UK also applies the UK eIDAS Regulations, which "set out rules for UK trust services and establishes a legal framework for the provision and effect of electronic signatures, electronic seals, electronic time stamps, electronic documents, electronic registered delivery services and certificate services for website authentication."

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

The UK has not adopted national legislation based on or influenced by the United Nations Commission on International Trade Law (UNCITRAL) Model Law on Electronic Commerce.

The UK has not adopted national legislation based on or influenced by the United Nations Commission on International Trade Law (UNCITRAL) Model Law on Electronic Signatures.