A rebate of up to seventy-five percent (75%) of the income tax paid by the shareholders of a corporation on the dividends of that corporation may be granted for a period not to exceed five (5) consecutive years; provided, however, that the corporation paying the dividends is the Beneficiary of a Qualifying Certificate and that the dividends are being paid from the corporation’s earnings on activities identified in the Qualifying Certificate which were received, on a cash basis, during the five (5) year period.