TikTok's decision comes weeks after US President Donald Trump signed an executive order giving Americans 45 days to stop doing business with video app's Chinese parent company, Bytedance.
The US Commerce Department and other agencies signed off on the rule change, which is awaiting publication in the Federal Register.
The US Commerce Department said it was amending an export rule to "strategically target Huawei's acquisition of semiconductors that are the direct product of certain US software and technology."
In its reaction, the Chinese tech giant said that the temporary extension "does not change the fact that Huawei has been treated unjustly."
The US president linked a humane resolution to anti-Beijing protests to China trade deal in tweets as Hong Kong activists plan more mass rallies this weekend to show their movement maintains public support despite disruptive sit-in at the airport.
Turkey's Trade Minister Ruhsar Pekcan said on Monday that a US delegation headed by her counterpart Wilbur Ross is scheduled to visit Turkey in September.
Huawei was placed by Washington on a blacklist in mid-May that effectively blocks US firms from doing business with the Shenzhen-based firm.
US President Donald Trump removes import taxes on Canadian and Mexican steel and aluminum but delays auto tariffs that would have hurt Japan and Europe.
The White House received a Commerce Department report on the auto industry that could trigger tariffs against imported cars and intensify tensions with Europe.
The US president signed proclamations allowing relief from the quotas on steel from South Korea, Brazil and Argentina and on aluminium from Argentina.
The move angered EU as well as Mexico while Canada retaliated by saying it will impose tariffs covering $12.8 billion on imports from the US. The US tariffs come into effect on Friday.
US President Donald Trump says that Australia and others could be exempt from trade tariffs - in addition to America's neighbors and NAFTA partners Mexico and Canada.
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