(a) The contracting officer or a designated representative may require the Contractor to remove any employee(s) from GSA controlled buildings or other real property should it be determined that the individual(s) is either unsuitable for security reasons or otherwise unfit to work on GSA controlled property.

(b) The Contractor shall fill out and cause all of its employees performing work on the contract work to fill out, for submission to the Government, such forms as may be necessary for security or other reasons. Upon request of the Contracting Officer, the Contractor and its employees shall be fingerprinted.

(c) Each employee of the Contractor shall be a citizen of the United States of America, or an alien who has been lawfully admitted for permanent residence as evidenced by Alien Registration Receipt Card Form I-151, or, who presents other evidence from the Immigration and Naturalization Service that employment will not affect his immigration status.