70 ILCS 1905/12
The Board of Commissioners may employ such technical, professional, and clerical assistants as are necessary and expedient for the proper performance of its duties and for the accomplishment of the objects and purposes of the Authority. The duties, salaries, fees, or other compensation of any such employees shall be fixed and determined by the Board of Commissioners.
For the purpose of aiding and cooperating with a Railroad Terminal Authority, the City in which the Authority is organized may assign or loan any of its employees, whether under Civil Service or not, to the Railroad Terminal Authority to aid in the performance of any of the work of the Railroad Terminal Authority, and may provide necessary office space, equipment or other facilities for the Railroad Terminal Authority.
Any such employees so assigned or loaned who are members or beneficiaries of any existing pension or retirement system or who have been appointed to positions in the service of such City under rules and classifications of any Civil Service Commission shall have the same status with respect thereto after assignment to the Railroad Terminal Authority.
To facilitate the Railroad Terminal Authority in aid of any project undertaken by it the City in which the Authority is organized may make available to the Railroad Terminal Authority the services of its engineering staff and facilities.
70 ILCS 1905/12