The first amendment, the amendment ensuring freedom of religion for everyone, was written as the beginning of the 10 amendments known as the Bill of Rights.
Why does my employer ask for papers showing work authorization? Since 1986, the immigration law requires employers to only hire workers who have authorization by the U.S. government to work in this country. The law requires employers to check (verify) the identity and work eligibility of each employee.
The sponsoring US employer may place the H1B worker on the worksite of another employer if all applicable rules (e.g., Department of Labor rules) are followed. H1B aliens may work for more than one US employer, but must have a Form I-129 petition approved by each employer.