Legal provisions for optional referendums at national level

Gibraltar
Section 18(9) Any right or limitation thereof set out in sections 1 to 15 may be amended if –
(a) a motion proposing that amendment is carried by a majority of at least three-quarters of the total number of Members of the Parliament; and
(b) the Parliament’s vote on such motion is thereafter supported by a simple majority of the votes cast in a referendum of all persons entitled to vote in elections to the Parliament; and
(c) the consent of Her Majesty signified through a Secretary of State has been obtained before any such motion or referendum.