[1] The Laws of the Constitution of Selangor Part I was firstly introduced on 1 February 1948, following the formation of Federation of Malaya.

[4] The Constitution, in its current form (1 January 2008), consists of 2 Parts, 19 chapters containing 100 articles and 1 schedule.

It addresses rules regarding the appointment of consorts of the Sultan and Raja Muda, their styles and titles, and their entitlements.

It pertains to executive authority power of the Sultan, the process of appointment of Mentri Besar of Selangor, State Secretary, Legal Advisor, Financial Officer, and the members of Selangor State Executive Council and rules regarding the proceedings of the council.

It addresses the power of Sultan to give pardon, reprieve or respite to convicted criminals that carries out crime in the state.

It pertains to the Selangor State Legislative Assembly, its memberships, summoning, prorogation and dissolution, Speaker election, roles, and proceedings.

It addresses the capacity of the state to acquire, hold or dispose of property of any kind, and to sue or be sued.

The chosen Sultan must; be a male of mature age, has a sound mind, of the Malay race and born in the State of Selangor, a subject of the former Sultan, professing the Muslim religion, of good blood, acknowledged to be legitimately and lawfully begotten, able to read and write the Malay language, possessing good and praiseworthy reputation, understanding, nature, temper, disposition and deportment.

If the person chosen is not of a Royal Blood, the provisions of Article 5 shall not apply but the case shall be deemed to be a lawful exception of it.

Article 9 states that if the Sultan is to assumed the throne as a minor, that is before he has completed the full age of twenty one years (of which according to Muslim reckoning shall not be counted as an adult), a person must be appointed as a Regent or not less than three people as members of a Council of Regency until the Sultan is of age.

The Regent and members of the Council of Regency must be of Malay race and born in the State of Selangor, professing the Muslim religion, and subjects to the Sultan but not necessarily of Royal Blood.

If the Sultan is not installed within the time frame, he is deemed to have abdicated and relinquished His Royal rights and powers, and provisions of Article 11(4) will apply accordingly.

Article 10 prevent the Sultan from being absent from the State of Selangor for more than twelve consecutive calendar months.

If he does so, a Successor must be chosen and appointed unless the Dewan Di-Raja deems the prolonged absence is due to sufficient and excusable cause.

Article 11 states that the Sultan may voluntarily abdicate and relinquish his Royal rights and powers, if he so desires.

[6] Article 14 states that the Heir to the throne will use the title Raja Muda or in English, the Crown Prince of Selangor.

Article 19 prevented the Heir from being absent from the State of Selangor for more than twelve consecutive calendar months.

If he does so, another heir must be chosen and appointed unless the Dewan Di-Raja deems the prolonged absence is due to sufficient and excusable cause.

Article 20 states that the Heir may voluntarily abdicate and relinquish his Royal rights and powers, if he so desires.

In case of the incapacitation of the Sultan, the responsibility of appointing a Regent or a Council of Regency falls to the Dewan Di-Raja.

Article 23 provides that the Dewan Di-Raja was established to aid and advice the Sultan in carrying out his duty.

On the occasion when the Sultan was appointed as the Yang di-Pertuan Agong, he will continue to exercise his function as the head of religion of the state.

Any person who becomes a citizen by naturalisation or registration under Article 17 of the Federal Constitution is automatically ineligible to be a Menteri Besar.

Article 53(4) also states that appointment of the Menteri Besar is a prerogative of the Sultan, and he may dispense with any provision in the constitution that restricts him to do so.

Any member of the state council other than the Menteri Besar, shall hold office at the sultan's' pleasure, but they are free to resign at any time.

A member of the state council must also not engage in any trade, business, or profession connected with any subject or department for which he is responsible of.

He cannot take part in any decision made by the Executive Council relating to the trade, business, or profession as long as he still engages in them.

The political secretary can resign at any time but otherwise must held his position until the appointment duration determined by the Menteri Besar.

Any power conferred by federal or state law to remit, suspend or commute the sentence for any such offense is exercisable by the Sultan.

[11] The first ever speaker of Dewan Negeri Selangor is Dato' Abdullah Haji Hassan, who served from 8 July 1959 to 17 November 1962.