15The following offences under the [1969 c. 12 (N.I.).] Firearms Act (Northern Ireland) 1969—
(a)an offence under section 14 consisting of a person's having in his possession any firearm or ammunition (within the meaning of that section) with intent by means thereof to endanger life, or to enable another person by means thereof to endanger life;
(b)an offence under subsection (1) of section 15 (use of firearm or imitation firearm- to resist arrest) involving the use or attempted use of a firearm within the meaning of that section.