law: 18. Limit of aggregate of jointure payable contemporaneously.-
  Provided always, that the said dividends, interest and annual income of the said stocks, funds, and securities shall not, at one and the same time, be subject to the payment of more than the yearly sum of rupees twenty thousand for, or in respect of, and jointure or jointures which shall be made in pursuance of the power hereinbefore contained, so that, if by virtue of or under the same power, the said dividends, interest and annual income would, in case this present provision had not been inserted, be charged at any one time with a greater yearly sum for jointures in the whole than the yearly sum of rupees twenty thousand, the yearly sum which shall occasion such excess, or such part thereof as shall occasion the same, shall, during the time of such excess, abate and not be payable.