In the event that any disabled or handicapped resident of the Village of Massapequa Park makes application to the Board of Trustees for exemption from the terms and provisions of Local Law No. 15 of 1975 on the grounds of undue hardship, the Board of Trustees is authorized to review written medical or other written documentation on an annual or earlier basis, as the Board of Trustees shall decide, proving to the satisfaction of the Board of Trustees that the operation and enforcement of Local Law No. 15 of 1975 would result in an undue hardship and burden to said disabled or handicapped resident.