Section 414.7 - Board of adjustment - review by council1. The council shall provide for the appointment of a board of adjustment. In the regulations and restrictions adopted pursuant to the authority of this chapter, the council shall provide that the board of adjustment may in appropriate cases and subject to appropriate conditions and safeguards make special exceptions to the terms of the ordinances in harmony with the general purpose and intent of the ordinances and in accordance with general or specific rules contained in the ordinances and provide that any property owner aggrieved by the action of the council in the adoption of such regulations and restrictions may directly petition the board of adjustment to modify regulations and restrictions as applied to such property owners.2. The council may provide for review of variances granted by the board of adjustment by the council before the effective date of the variances. The council may remand a decision to grant a variance to the board of adjustment for further study. The effective date of the variance is delayed for thirty days from the date of the remand.