STSM064030 | Bearer Instruments: Bearer Instrument duty - exemptions: Instruments in respect of which stamp duty previously abolished
From HM Revenue & Customs · Stamp Taxes on Shares Manual
By virtue of FA99/SCH15/PARA15, there is no 1.5 per cent stamp duty charge on a bearer instrument which is exempt under:
FA71/S64 or FA(Northern Ireland)71/S5, which abolished the old mortgage, bond, debenture, covenant duty etc, or
FA89/S173, which abolished stamp duty on life policies and superannuation annuities.