美国商务部宣布撤销“AI扩散规则”

Core Viewpoint - The U.S. Department of Commerce's Bureau of Industry and Security (BIS) announced the initiation of the repeal of the Biden administration's Intelligence Diffusion Rule while implementing additional measures to strengthen global semiconductor export controls [1] Group 1: Regulatory Changes - The Intelligence Diffusion Rule, introduced by the Biden administration on January 13, aimed to expand restrictions globally, categorizing countries into three tiers based on their access to advanced AI chips [1] - Tier 1 includes 17 countries and Taiwan, which can access unlimited chips; Tier 2 consists of approximately 120 countries with limited access; Tier 3 includes mainland China, Iran, Russia, and North Korea, which are completely banned from importing advanced AI chips from the U.S. [1] - The rule was originally set to take effect on May 15, 2025 [1]