Hope this makes sense.
153Prohibition of unsupervised sales by children.
(1)A responsible person commits an offence if on any relevant premises he knowingly allows an individual aged under 18 to make on the premises— .
of alcohol, or .
(b)any supply of alcohol by or on behalf of a club to or to the order of a member of the club, .
unless the Sale
or supply has been specifically approved by that or another responsible person.
(2)But subsection (1) does not apply where— .
(a)the alcohol is sold or supplied for consumption with a table meal, .
(b)it is sold or supplied in premises which are being used for the service of table meals (or in a part of any premises which is being so used), and .
(c)the premises are (or the part is) not used for the Sale
or supply of alcohol otherwise than to persons having table meals there and for consumption by such a person as an ancillary to his meal. .
(3)A person guilty of an offence under this section is liable on summary conviction to a fine not exceeding level 1 on the standard scale. .
(4)In this section “responsible person” means— .
(a)in relation to licensed premises— .
(i)the holder of a premises licence in respect of the premises, .
(ii)the designated premises supervisor (if any) under such a licence, or .
(iii)any individual aged 18 or over who is authorised for the purposes of this section by such a holder or supervisor, .
(b)in relation to premises in respect of which there is in force a club premises certificate, any member or officer of the club present on the premises in a capacity which enables him to prevent the supply in question, and .
(c)in relation to premises which may be used for a permitted temporary activity by virtue of Part 5— .
(i)the premises user, or .
(ii)any individual aged 18 or over who is authorised for the purposes of this section by the premises user.