Section 79 of the Principal Act is amended as follows:(a) by inserting in subsection (1)(b) "or electronic billboards" after "billboard" ;(b) by inserting in subsection (1)(c)(iii) "or electronic billboards" after "billboard" ;(c) by omitting subsection (2) and substituting the following subsection:(2) An electronic billboard approval may be (a) given for more than one electronic billboard, if all electronic billboards relate to the same event; and(b) given for any period or periods that the Commission determines; and(c) amended, renewed, transferred or otherwise modified as the Commission determines.(d) by omitting paragraph (a) from subsection (5) .