Final answer:
Section 1 and Section 2 of the Form I-9 must be completed before or on the first day of employment.
Step-by-step explanation:
Section 1 and Section 2 of the Form I-9 cannot be completed after an offer and acceptance into the assignment pool of a staffing company.
Section 1 of the Form I-9 must be completed by the employee no later than the first day of employment.
Section 2 of the Form I-9 must be completed by the employer within 3 business days of the employee's first day of employment.