"tax" includes a duty, rate, levy or due; "traditional leader" includes a Chief, headperson or village head; "Zimbabwe" means the Republic of Zimbabwe. 271 References to Chapters, sections, etc. Any reference in this Constitution, without qualification, to– (a) a Chapter, section or Schedule, is to be construed as a reference to a Chapter or section of or Schedule to this Constitution; (b) a subsection, is to be construed as a reference to a subsection of the section in which the reference is made; (c) a paragraph, is to be construed as a reference to a paragraph of the Schedule, subsection or definition in which the reference is made; (d) a subparagraph, is to be construed as a reference to a subparagraph of the paragraph or subparagraph in which the reference is made. 272 Words in singular to include plural, and vice versa In this Constitution, words in the singular include the plural and words in the plural include the singular. 273 Tables and headings Tables of contents and headings to Chapters, Parts, sections and other provisions of this Constitution do not form part of the Constitution and are inserted for ease of reference only. 274 References to time (1) In this Constitution, whenever a period of time is expressed– (a) to begin on or to be reckoned from a particular day, that day is not to be included in the period; (b) to end on or to be reckoned to a particular day, that day is to be included in the period. (2) Whenever the time for doing anything in terms of this Constitution ends or falls on a Saturday, Sunday or public holiday, the time extends to and the thing may be done on the next day that is not a Saturday, Sunday or public holiday. (3) A reference in this Constitution to a month is to be construed as a reference to a calendar month. (4) A reference in this Constitution without qualification to a year is to be construed as a reference to a period of twelve months. 275 Calculation of person's age For the purposes of this Constitution, a person is not regarded as having attained a given age until the commencement of the relevant anniversary of the day on which that person was born. 276 References to holders of office Whenever this Constitution refers to the holder of an office by a term designating the office, the reference includes a reference to anyone who is lawfully acting in or exercising the functions of that office. - 98 -