(B) A public employer may not enter into a services contract with a contractor for the physical performance of services within this State unless the contractor agrees:

1. (1) to register and participate in the federal work authorization program to verify the employment authorization of all new employees; and require agreement from its subcontractors, and through the subcontractors, the sub-subcontractors, to register and participate in the federal verification of the employment authorization of all new employees; or

2. (2) to employ only workers who:

   1. (a) possess a valid South Carolina driver's license or identification card issued by the South Carolina Department of Motor Vehicles;
   2. (b) are eligible to obtain a South Carolina driver's license or identification card in that they meet the requirements set forth in Sections 56-1-40 through 56-1-90; or
   3. (c) possess a valid driver's license or identification card from another state where the license requirements are at least as strict as those in South Carolina, as determined by the Executive Director of the South Carolina Department of Motor Vehicles, or his designee. The Executive Director of the South Carolina Department of Motor Vehicles, or his designee, shall publish on its website a list of states where the license requirements are at least as strict as those in South Carolina.

(D) Subsection (B) applies as follows:

1. (1) on and after January 1, 2009, with respect to contractors, subcontractors, or sub-subcontractors of five hundred or more employees;
2. (2) on and after July 1, 2009, with respect to contractors, subcontractors, or sub-subcontractors of one hundred or more employees but less than five hundred employees; and
3. (3) on and after January 1, 2010, with respect to all other contractors, subcontractors, or sub-subcontractors.