It also says:

The Arms Export Control Act of 1976 gives the President of the United States the authority to control the import and export of defense articles and defense services.

Now, I'm not a lawyer, but these people are and they say:

“The law is clear and aligned with the majority of Americans who believe the U.S. should cease arms shipments to Israel until it stops its military operation in Gaza”

Biden himself exercised an emergency provision in the law to bypass congress, in order to send more weapons to Israel