Taken from
FIREARMS LAW
GUIDANCE TO THE POLICE
from the
Home Office
Chapter 2
DEFINITION AND CLASSIFICATION OF FIREARMS AND AMMUNITION
iii) Shot gun cartridges
A shot gun certificate is not required to
possess or acquire shot gun cartridges
containing five or more shot, none of
which exceeds .36 inch in diameter. All
ordinary shot cartridges are covered by this
description. However, a shot gun certificate
(or firearm certificate authorising possession
of a section 1 shot gun) is normally required
to purchase shot gun cartridges. All single
bulleted ammunition, for examp