In subsection (5) of section 10 of the [1963 c. 2.] Betting, Gaming and Lotteries Act 1963 (prohibition, with certain exceptions, of advertisements of licensed betting offices), for the words from " save " to " any advertisement " there shall be substituted the words " any advertisement, other than an advertisement to which subsection (6) of this section applies, "; and after the said subsection (5) there shall be inserted the following subsection:—
“(6)This subsection applies to an advertisement if—
(a)it is published inside but not outside a licensed betting office; or
(b)it complies with such restrictions as may be prescribed and is, in such manner as may be prescribed, published outside a licensed betting office—
(i)from a place inside such an office; or
(ii)in premises giving access to such an office; or
(iii)by being painted on or otherwise attached to the outside of such an office or the outside of premises in which such an office is situated.”.