Nvidia Corp.’s shares were tumbling in after-hours trading Tuesday, after the chip giant disclosed in a regulatory filing that it expects to include charges of up to $5.5 billion in its fiscal first quarter related to licensing of its chips to the Chinese market.

Nvidia said it would record a $5.5 billion charge on its quarterly earnings and disclosed that the U.S. will now require a license for exporting the company's H20 processors to China and other countries.

Nvidia Corp. said the US government will begin requiring a license to export the company’s H20 chips to China, an escalation of restrictions that the company has publicly opposed.