(1) “member of a municipal council” means, in addition to its ordinary meaning, a county delegate or a member of the council of an urban or regional community;
(2) “city”, “town”, “municipality” and “corporation” mean, in addition to their ordinary meaning, a board of county delegates or an urban or regional community;
(3) “elector” and “ratepayer”, where this act applies to a board of county delegates or an urban or regional community, mean an elector or a ratepayer of a municipality represented on the board of county delegates or forming part of the community.