Section 510 ILCS 101/70 - Duration of program(a) Any marketing program adopted by referendum shall remain in effect until amended or repealed. (b) Upon delivery by certified mail to the Council office of petitions from each of the 7 districts containing the signatures of at least 100 swine producers in each district that are qualified to vote, stating "Shall the Illinois Swine Market Development Program continue?", the Council shall, within 90 days, conduct a referendum to determine if a majority of the swine producers qualified to vote in the referendum support the continuation of the Illinois Swine Market Development Program. Referendums on the question of the continuation of a program may not be held more than once every 5 years. The continuation of a marketing program shall be determined by the same voting requirements as for adoption of the marketing program. (c) A marketing program may be amended by utilizing the same procedures as for determining the continuation of a program. The Council may at any time deemed necessary propose amendments to a marketing program. P.A. 92-158, eff. 7-25-01.