153 18.19 References to time (1) In this Constitution, whenever a period of days 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) Subject to this Constitution, 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. 18.20 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 any person who is lawfully acting in or exercising the functions of that office. 18.21 References to Parliament Where this Constitution requires a report or other document to be submitted to or laid before Parliament, the report or document must be submitted to or laid before both the Senate and the National Assembly. 18.22 Advice and consultation (1) Whenever this Constitution requires any person or authority to act on the advice of anyone else, the person or authority must— (a) inform the other person, in writing, what he or she proposes to do and provide the other person with enough information to enable the other person to understand the nature and effect of the proposed act; and (b) afford the other person a reasonable opportunity to tender advice; and the person or authority is obliged to follow the advice tendered by the other person. (2) Whenever this Constitution requires any person or authority to consult anyone else, or to act after consultation with anyone else, the person or authority must— (a) inform the other person, in writing, what he or she proposes to do and provide the other person with enough information to enable the other person to understand the nature and effect of the proposed act; (b) afford the other person a reasonable opportunity to make recommendations or representations about the proposal; and (c) give careful consideration to any recommendations or representations that the other person may make about the proposal;