Another provision in the bill would prohibit any company from sending a foreign national employee (on an H-1B or L-1) to work with a customer offsite without first obtaining permission (via a formal waiver process) from the U.S. Department of Labor (or U.S. Citizenship and Immigration Services for an L-1).
Back in April the U.S. government started questioning the viability of their plan to use RFID chips to store biometric data in passports, which would also have required biometric passports from any visitors to the U.S. entering the country under the Visa Waiver program (which allows short-term visits without a visa).