Question

Shale oil mining corporation is a u.s. employer. shale oil and other u.s. employers must perform i-9 verifications for

Answer 1

Shale oil mining corporation is an u.s. employer. shale oil and other u.s. employers must perform i-9 verifications for Each new hire.
 I-9 is used for verifying the identity and employment authorization of individuals hired for employment in the United State and conducted to make sure that the new employee has the full legal right to work in United States