The Board of Trustees in the administration of this
chapter shall provide and direct the Chief Official as to any notice
required to be given by the Chief Official in the enforcement of this
chapter, and the Board may set the time limits required by any such
notice, and the same not to exceed 30 days, except that any said time
period may be extended upon application of any aggrieved interested
person upon good cause shown or proof of undue hardship shown to the
Board of Trustees.