"quarter",
in relation to—
(a) | a national or provincial department, means the period from— |
(i) | 1 April to 30 June; |
(ii) | 1 July to 30 September; |
(iii) | 1 October to 31 December; or |
(iv) | 1 January to 31 March; or |
(b) | a municipality, means— |
(i) | 1 July to 30 September; |
(ii) | 1 October to 31 December; |
(iii) | 1 January to 31 March; or |
(iv) | 1 April to 30 June; |