(1) Part 1 of Schedule 18 to the Sentencing Code (specified violent offences attracting extended sentence) is amended as follows.

(2) In paragraph 5 (offences under the Explosive Substances Act 1883), at the end insert -

"(d) section 5 (punishment of accessories to offences of causing or attempting to cause explosions or making or possessing explosives) in a case where the offender is convicted on or after the day on which section 15 of the Counter-Terrorism and Sentencing Act 2021 comes into force."

(3) After paragraph 11 insert -

"Biological Weapons Act 1974

11A An offence under section 1 of the Biological Weapons Act 1974 (developing certain biological agents and toxins or biological weapons) in a case where the offender is convicted on or after the day on which section 15 of the Counter-Terrorism and Sentencing Act 2021 comes into force."

(4) In paragraph 13 (offences under the Aviation Security Act 1982), at the end insert -

"(e) section 6(2)(inducing or assisting the commission of offences relating to safety of aircraft) in a case where the offender is convicted on or after the day on which section 15 of the Counter-Terrorism and Sentencing Act 2021 comes into force."

(5) After paragraph 13 insert -

"Nuclear Material (Offences) Act 1983