If the local authority refused to approve plans, or if, having approved plans in terms of Part I, such approval lapses in terms of section 22, or if plans are withdrawn by the applicant after approval but before commencement of the work, the local authority may refund the amount equivalent to fifty per centum of the fees paid by the applicant:

Provided that such refund shall not be paid unless-

a) the total amount to be refunded exceeds ten dollars; and

b) in the case of the disapproved plans or lapsed approval, a claim for the refund is made within thirty days of-

i) the applicant being notified that his plan have been disapproved; or

ii) the approval having lapsed.