62 (d) Swazi law and custom, or the ascertainment or recording of Swazi law and custom; (e) Swazi nation land; or (f) Incwala, Umhlanga (Reed Dance), Libutfo (Regimental system) or similar cultural activity or organisation. (7) Subject to the provisions of this section, the matters listed under subsection (6) shall continue to be regulated by Swazi law and custom. Procedure where chambers disagree on bills 116. (1) Subject to the provisions of subsection (2), where a bill having been introduced in and passed by one chamber of Parliament – (a) has been sent to the other chamber at least sixty days before the end of the session; and (b) has been considered by that other chamber within sixty days after the bill is so sent; but (c) has not within that period been passed either without amendment or with amendments which are agreed to by the chamber in which the bill was introduced, neither chamber shall proceed upon the bill and the bill shall be referred to a joint sitting of the Senate and the House in accordance with the provisions of the First Schedule. (2) A bill, having been introduced in and passed by the House, shall not be referred to a joint sitting of the Senate and the House where that bill – (a) has been sent to the Senate at least sixty days before the end of the session; and (b) has not been considered by the Senate within sixty days after the bill is so sent, but shall, unless the House otherwise resolves, be presented to the King for assent. (3) This section does not apply to a bill certified under section 112 (1), 113 (1), 114 or a bill for a law to amend this Constitution. Reference back of bills by King 117. (1) Where a bill, having been passed by both chambers of Parliament sitting separately, is presented to the King for assent, the King, acting in his discretion, may by message refer back such provisions of the bill as the King may indicate, for consideration at a joint sitting of the Senate and the House in accordance with the provisions of the First Schedule. (2) Where the bill referred to in subsection (1) − (a) is passed within sixty days of the message, the bill shall again be presented to the King for assent; or 62