Ordinances may be enacted by and for any district by initiative in the same manner and with the same effect as ordinances of counties under Article 1 (commencing at Section 9100) of Chapter 2 of Division 9 of the Elections Code and the terms used therein shall have the following meanings:
(a) “County” shall mean district.
(b) “Board of supervisors” shall mean board.
(c) “Elections official” shall mean secretary.