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A bipartisan US bill aimed at tightening semiconductor export controls on China is moving through the House Foreign Affairs Committee, with lawmakers seeking to give the restrictions more force in statute rather than leaving so much discretion with the Commerce Department’s Bureau of Industry and Security.

MATCH Act would move export controls into law

The proposal, known as the MATCH Act, is framed by its sponsors as a way to close loopholes in current semiconductor export controls and to push allied supplier countries into closer alignment with Washington. In practical terms, the original House bill would have hard-wired tougher controls on chipmaking equipment and related servicing, making future relaxation harder than under the present BIS rulemaking approach.

The bill matters because the existing US regime is still largely administrative. That means rules can be tightened, softened or reinterpreted by the executive branch. Supporters of the MATCH Act want more of that framework embedded in law, particularly for chokepoint semiconductor manufacturing equipment and for Chinese facilities seen as critical to advanced-node production.

MATCH Act substitute softens some edges

There is, however, an important wrinkle. The text filed when the bill was introduced in early April was more explicit and more aggressive than the substitute now filed for committee markup. The earlier version named Chinese groups including SMIC, YMTC, CXMT, Huawei and Hua Hong, and set out a faster path for allied alignment and unilateral US action if that alignment failed.

The substitute text is broader and more process-driven. Rather than locking a fixed company list and specific tool classes into the operative language, it directs US agencies to identify “key chokepoint semiconductor manufacturing equipment” and “key semiconductor manufacturing facilities”, gather confidential industry input, report to Congress, and then apply controls on a longer timetable. It also builds in an exemption for facilities that already existed at enactment and remain owned and operated by companies headquartered outside countries of concern, a detail that could matter for non-Chinese fabs operating in China.

Industry pressure is part of the story

According to Reuters, Micron has been lobbying lawmakers in support of tighter restrictions, arguing that Washington should do more to slow the rise of Chinese memory makers. That gives the MATCH Act a clear industry dimension as well as a geopolitical one, especially as the measure would increase pressure on foreign suppliers such as ASML if allied governments do not fully match US controls.

As previously reported by eeNews Europe when the US tightened export controls on lithography, etch and HBM memory, Washington has already been broadening the semiconductor restrictions stack. The latest step is less about inventing a completely new policy than about making that policy harder to unwind. For the committee version currently on the table, the key document is the substitute text filed for committee markup.

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