Where a guarantee is intended to cover more than one issue of structured products issued pursuant to a base listing document of the issuer, the conditions in rule 15A.19 above will apply to the first structured product issue under the guarantee. The legal opinion must confirm that the conditions in rule 15A.18 will apply to all structured products issued pursuant to the base listing document during the period of the guarantee. The Exchange will not accept a guarantee as covering structured products issued one year or more from the date of the guarantee.