Section 18 of the Principal Act is amended as follows:(a) by inserting in subsection (3)(e) "of ammunition" after "rounds" ;(b) by inserting the following subsection after subsection (4) :(5) A category H firearms licence for use in the security industry authorises the holder to possess (a) a registered pistol that (i) does not exceed .38 inch calibre or 9 millimetre calibre; and(ii) is owned by, and has as its registrant, the holder's employer; and(b) factory-manufactured or factory-loaded ammunition for a registered pistol of the kind referred to in paragraph (a) .