50 ILCS 20/12
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 Commission. The salaries, fees, or other compensation of any such employee shall be fixed and determined by the Board of Commissioners.
For the purpose of aiding and cooperating with a Public Building Commission, the municipal corporations participating in its organization may assign or loan any of their employees, whether under Civil Service or not, to the Public Building Commission to aid in the performance of any of the work of the Public Building Commission, and may provide necessary office space, equipment or other facilities for the Public Building Commission.
Any such employees so assigned or loaned who are member or beneficiaries of any existing pension or retirement system or who have been appointed to positions in the service of such participating municipal corporations under rules and classifications of any Civil Service Commission shall have the same status with respect thereto after assignment to the Public Building Commission.
To facilitate the Public Building Commission in aid of any project undertaken by it any municipal corporation joining in its organization may make available to the Public Building Commission the services of its engineering staff and facilities.
50 ILCS 20/12