(820 ILCS 405/1508.1) (from Ch. 48, par. 578.1)
    Sec. 1508.1. Cancellation of Benefit Wages and Benefit Charges Due to Lack of Notice. A. It is the purpose of this Section to provide relief to an employer who has accrued benefit wages or benefit charges resulting from the payment of benefits of which such employer has not had notice. Whenever any of the following actions taken by the Department directly results in the payment of benefits to an individual and hence causes the individual's wages to become benefit wages in accordance with the provisions of Sections 1501 and 1502 or causes the benefits to become benefits charges in accordance with Sections 1501.1 and 1502.1, such benefit wages or benefit charges shall be cancelled if the employer proves that the Department did not give notice of such actions as required by Section 804 within the following periods of time:
    1. With respect to the notice to the most recent employing unit or to the last employer (referred to in Section 1502.1) issued under Section 701, within 180 days of the date of the initial finding of monetary eligibility;
    2. With respect to notice of a decision pursuant to Section 701 that the employer is the last employer under Section 1502.1, within 180 days of the date of the employer's protest or appeal that he is not the last employer under Section 1502.1;
    3. With respect to a determination issued under Section 702 and the rules of the Director, within 180 days of the date of an employer's notice of possible ineligibility or remanded decision of the Referee which gave rise to the determination, except that in the case of a determination issued under Section 702 in which an issue was not adjudicated at the time of the employer's notice of possible ineligibility because of the individual's failure to file a claim for a week of benefits, within 180 days of the date on which the individual first files a claim for a week of benefits;
    4. With respect to a reconsidered finding or a reconsidered determination issued under Section 703, within 180 days of the date of such reconsidered finding or reconsidered determination;
    5. With respect to a Referee's decision issued under Section 801 which allows benefits, within 180 days of the date of the appeal of the finding or determination of the claims adjudicator which was the basis of the Referee's decision;
    6. With respect to a decision of the Director or his representative concerning eligibility under Section 604, within 180 days of the date of the report of the Director's Representative.
    B. Nothing contained in this Section shall relieve an employer from the requirements for application for revision to a statement of benefit wages or statement of benefit charges pursuant to Section 1508 or any other requirement contained in this Act or in rules promulgated by the Director.
    C. The Director shall promulgate rules to carry out the provisions of this Section.
(Source: P.A. 86-3.)