[2][3] Alternatively, the legislative would automatically dissolve on 21 June 2018, the fifth anniversary of the first sitting, and elections must be held within sixty days (two months) of the dissolution (on or before 21 August 2018, with the date to be decided by the Election Commission of Malaysia), if it was not dissolved prior to that date by the Head of State, Sultan of Selangor on the advice of the Head of Government, Menteri Besar of Selangor.

If the election results in no single party having a majority, there is a hung assembly, of which will be dissolved under the royal prerogative of the Sultan.

The redistricting of electoral boundaries for the entire country had been presented to and passed by the Dewan Rakyat, and subsequently gazetted on 29 March 2018 after obtaining the royal consent of the Yang di-Pertuan Agong ahead of the 14th general election.

The key dates are listed below in Malaysia Standard Time (GMT+8): The incumbent party, Pakatan Harapan have decided to contest all 56 seats in Selangor.

[25] Malaysian United Indigenous Party (Bersatu) expressed their desire to contest in the 12 seats won by the Barisan Nasional in the last general election.

[27] The opposition Barisan Nasional (BN) is also set to contest all 56 seats in Selangor State Legislative Assembly.

It consist of 10 cores focusing on forming a government and administration that follows the principles of divinity, accountability and competent in making a peaceful environment for the multiracial and multi-religion state.

One of the candidates, the Selangor branch chairman Harry Arul Krishnan, states that he will resolve the issue of birth certificate and identity cards for the stateless and launch crime intervention programs among other thing during his manifesto announcement on 3 May 2018 in Sungai Pelek.

He announces his manifesto on 27 April 2018, pledging to:[37] Toh Sin Wah contested at Subang Jaya seat.

[55] In Sungai Air Tawar, BN candidate Rizam Ismail planned to build up the town and helping small scale entrepreneurs by upgrading broken stalls and give them exposure to online business.

[55] Another candidate, Sallehuddin Iskan from BN used the slogan Berilmu, Berbakti, Berintegriti (in English: Knowledgeable, devoted and has strong moral principle) in his campaign, and pledge to help the local in issues regarding affordable housing and small scale palm oil farmers.

[55] Jamal Yunos, the Sungai Besar UMNO division chief, organised a consert and offered a cash prize amounted to RM25,000 to a lucky draw winner in return for votes for Barisan Nasional candidates.

[57] Selangor branch of the Royal Malaysia Police stated that 114 reports were lodged throughout the ten days of campaigning duration.

The Pakatan Harapan (PH) coalition won its best ever electoral results in Selangor and retained their control of the state.

In the previous election, its predecessor informal coalition Pakatan Rakyat only managed to snatch 29 seats to form a simple majority.

[64] While GS Selangor leader, Salehen Mukhyi loses his seat in Sabak to AMANAH's Ahmad Mustain Othman with slim margin of 130 votes.

In the meeting, Azmin also informed the Sultan that Pakatan Harapan of Selangor had announced their support for him to be the returning Menteri Besar.

[6] He was sworn in on the morning of 11 May in front of the Sultan, Tengku Permaisuri Norashikin and members of Selangor Council of the Royal Court at Balairung Seri, Istana Alam Shah.

[23] On 13 May, Azmin submitted a list of candidates of Selangor State Executive Council to the Sultan to be considered.

[69] Azmin seek audience again with the Sultan of Selangor to discuss the situation since he didn't want to hold the post Menteri Besar and Minister of Economic Affairs at the same time.