Rehearing on petition. The disposition of a petition for amendment by the Village Board of Trustees shall be final, and disapproval or denial of the proposed amendment shall void the petition. No new petition for an amendment which has been previously denied by the Village Board of Trustees shall be considered by it, and no public hearing shall be held on such amendment, within a period of one year from the date of such previous denial, unless the Planning Board shall find that there have been substantial changes in the situation which would merit a rehearing and shall state the same, in writing, to the Village Clerk before he/she accepts a reapplication on this petition.