By the end of this year, the SEC intends to propose a regulation that would lead to the delisting of companies for not complying with U.S. auditing rules, according to people familiar with the matter.

Agency officials have been moving quickly on a rule since August, when the President’s Working Group on Financial Markets — a regulatory council whose members include SEC Chairman Jay Clayton and Treasury Secretary Steven Mnuchin — urged the regulator to pass new restrictions that could take effect as soon as 2022, said the people who asked not to be named in discussing private deliberations.

At issue is a problem that has vexed U.S. regulators for more than a decade: China’s refusal to let inspectors from the Public Company Accounting Oversight Board review audits of Alibaba Group Holding Ltd., Baidu Inc. and other firms that trade on American markets. The issue has gained added urgency due to rising tensions between the two countries and following this year’s high-profile accounting scandal at Luckin Coffee Inc.

The SEC move is unusual because most agencies stop issuing major new policies after a presidential election, especially when a new party is taking power. In addition, it’s unlikely the rule will be finalized before President Donald Trump’s term ends on Jan. 20. Clayton, who plans to step down by the end of the year, will also be gone before any regulation is finished. That would leave completing it to an SEC chief picked by President-elect Joe Biden.

By pushing through a vote, Clayton would force the SEC’s Republican and Democratic commissioners — all of whom have years left on their terms — to go on record in stating whether they support tougher rules for Chinese companies. Issuing a proposal also requires the SEC to seek public comment and investor advocates would be expected to flood the agency with letters backing Clayton’s plan.

Plus, unlike many policies in this era of heightened partisanship, cracking down on China appeals to both Republicans and Democrats on Capitol Hill. In May, the U.S. Senate approved a bill without opposition that directs the SEC to start the process of delisting Chinese companies whose audits aren’t inspected by American regulators. All of these factors could put pressure on Clayton’s Democratic successor.

The SEC declined to comment on the rulemaking plan. The Nasdaq Golden Dragon China Index fell 0.9% Tuesday, compared with a 0.5% drop for the benchmark S&P 500 index. The gauge, which tracks Chinese companies listed in the U.S., closed at a record high at the end of last week.

Fang Xinghai, the vice chairman of the China Securities Regulatory Commission, sounded a positive note on resolving the issue at panel discussion on Tuesday, saying it’s important to ensure that Chinese companies have access to international capital markets.

“I think during the Biden administration we should be able resolve that problem because it’s not an intractable problem,” Fang said at the New Economy Forum. “All it takes is good will on both sides and a willingness on both sides.”

Chinese stock listings have attracted Trump’s attention, as he ratchets up his attacks on China over the coronavirus pandemic and other grievances. Last week, he signed an order barring American investments in Chinese firms owned or controlled by the military. The SEC’s work on a proposal was reported earlier by the Wall Street Journal.

The fight over audit inspections dates back to the 2002 Sarbanes-Oxley Act, which overhauled regulation of public company audits after the collapses of Enron Corp. and WorldCom Inc. The law set up the PCAOB and required it to conduct regular inspections of the firms that review companies’ books. Though it applies to businesses across the world if they tap the U.S. markets — and more than 50 foreign jurisdictions permit the reviews — China has refused to comply, citing strict confidentiality rules.

U.S. and Chinese officials have repeatedly failed to come up with a compromise. In the meantime, Chinese companies have continued to go public via U.S. stock exchanges even though American law is being ignored. They’ve raised about $12 billion in IPOs this year, the highest since 2014 when Alibaba debuted.

The President’s Working Group report that’s driving SEC action recommended that exchanges such as the New York Stock Exchange and Nasdaq establish enhanced standards to prevent the listing of companies that don’t adhere to U.S. rules. The report called on the SEC to pass new rules, but said they shouldn’t take effect until January 2022 to prevent market disruptions.

U.S. investors’ exposure to Chinese stocks is growing, according to the SEC. More than 150 of the country’s companies, with a combined value of $1.2 trillion, traded on American exchanges as of 2019.