Under section 38(2) of the Gibraltar Constitution Order 2006, the parliament must be dissolved by the Governor four years after its first meeting following the last election (unless the Chief Minister advises the Governor to dissolve parliament sooner). Under section 37 of the Constitution, writs for a general election must be issued within thirty days of the dissolution and the general election must then be held no later than three months after the issuing of a writ.
The first meeting of the current parliament took place on 9 December 2015, meaning parliament must be dissolved before midnight on 8 December 2019, writs must be issued by 7 January 2020 and an election must take place before 7 April 2020. However, if recent precedent is followed, the Chief Minister is likely to ask the Governor for an early dissolution and an election to take place sometime in November 2019 (four years after the last election). Following the British tradition, elections conventionally take place on a Thursday.
^ abMarlene Hassan Nahon was elected as a GSD MP in 2015 but resigned from the party in 2016 and became an Independent MP. In 2017 she founded the political organisation Together Gibraltar, which became a political party in 2018.