Hear and decide appeals where it is alleged by the appellant that there is error in any order, requirement, decision or refusal made by the Zoning Officer based on or made in the enforcement of this chapter;

Hear and decide in accordance with the provisions of this chapter, requests for interpretation of the Zoning Map or this chapter or for decisions upon other special questions upon which such Board is authorized to pass by any Zoning or Official Map Ordinance in accordance with the New Jersey Municipal Land Use Law;

Where by reason of exceptional narrowness, shallowness or shape of a specific piece of property, or by reason of exceptional topographic condition, or by reason of other extraordinary and exceptional situation or condition of such piece of property, the strict application of any regulation would result in peculiar and exceptional practical difficulties to, or exceptional and undue hardship upon the developer of such property, grant, upon an application or an appeal relating to such property, a variance from such strict application of such regulation so as to relieve such difficulties or hardship as provided for by law and the procedures of the Combined Planning Board.