40 ILCS 5/21-109
2021 Illinois Compiled Statutes|Chapter 40 - PENSIONS|40 ILCS 5/ - Illinois Pension Code.|Article 21 - Social Security Enabling Act

 (from Ch. 108 1/2, par. 21-109)Sec. 21-109.     Payment of Contributions.(a) Absolute coverage group:  Each political subdivision which has  established Social Security coverage for its employees under this Article  shall pay contributions on  covered wages paid prior to January 1, 1987 in the amounts and at the rates  prescribed by subchapters A and B of the Federal Insurance Contributions  Act at the times prescribed in the regulations of the State Agency.  Taxes due on wages covered under the Social Security Coverage Agreement  paid after December 31, 1986 shall be paid by each political subdivision to  the Internal Revenue Service in the amounts and at the rates specified in  the Federal Insurance Contributions Act and at the times prescribed in the  regulations of the Internal Revenue Service.Every political subdivision required to make  payments is authorized in consideration of the employee's retention in,  or entry upon, employment to impose upon each of its employees, as to  services which are covered by the coverage agreement, a contribution with  respect to wages computed by applying the rates of contribution prescribed by  Subchapter A of the Federal Insurance Contributions Act, and to deduct the  amount of such contribution from such employee's wages when paid.Failure to deduct such contribution shall not relieve the employee or  employer of liability therefor.(b) Retirement system coverage group:  As a condition of its coverage  agreement, the governing body or board of trustees of any retirement system  which has adopted Social Security coverage for its members under this Article  shall assume responsibility to the State Agency for the compiling of wage data,  the collection of related contributions prescribed by subchapters A and B of  the Federal Insurance Contributions Act, and the timely reporting and payment  of such items upon the wages of all covered employees paid prior to January 1,  1987 in the manner and at the times prescribed by the State Agency.Coincident to the adoption of coverage, the governing body or board of  trustees of the retirement system shall promulgate rules and regulations  in conformity with federal regulations, applicable to the State or local  governmental entities or to the agencies and employees participating  therein, to insure the correct application of coverage and the timely and  accurate reporting of wages and collection of contributions.In the event of failure by the retirement system or the governmental  entities or agencies participating therein to comply with the timely reporting  and payment requirements imposed by this Section, the retirement system  shall be assessed any federal interest or late filing penalties arising  therefrom.The contributions collected under this Section by any retirement system which  elects to adopt coverage shall be remitted at such times as the State Agency  shall prescribe.The employees comprising the executive and administrative staff of any  retirement system which elects to adopt the provisions of this  Article shall have the contributions made by the body employing them.(c) If more or less than the correct amount of contributions is paid to  the State Agency, proper adjustment, or refund without interest if  adjustment is impractical, shall be made in such manner and at such times  as the State Agency shall prescribe.    (Source: P.A. 90-448, eff. 8-16-97.)