Quorum requirements for a referendum to be valid

Constitution(1953)

Foroptional referendums

Section42

(1) Wherea Bill has been passed by the Folketing, one-third of the members of theFolketing may, within three weekdays from the final passing of the Bill,request of the President that the Bill be submitted to a referendum. Suchrequest shall be made in writing and signed by the members making the request.

[…]

(5) Atthe referendum votes shall be cast for or against the Bill. For the Bill to berejected, a majority of the electors who vote and not less than thirty per centof all persons who are entitled to vote shall have voted against the Bill.

Formandatory referendums

Constitution(1953)

Section 20

(1) Powersvested in the authorities of the Realm under this Constitutional Act may, tosuch extent as shall be provided by statute, be delegated to internationalauthorities set up by mutual agreement with other states for the promotion ofinternational rules of law and cooperation.

(2) Forthe enactment of a Bill dealing with the above, a majority of five-sixths ofthe members of the Folketing shall be required. If this majority is notobtained, whereas the majority required for the passing of ordinary Bills isobtained, and if the Government maintains it, the Bill shall be submitted tothe electorate for approval or rejection in accordance with the rules forreferenda laid down in section 42.

Section 29

(2) Theage qualification for suffrage shall be as determined by the referendum heldunder the Act dated March 25, 1953. Such age qualification for suffrage may bealtered at any time by statute. A Bill passed by the Folketing for the purposeof such enactment shall receive the Royal Assent only when the provision foraltering the age qualification for suffrage has been submitted to a referendum inaccordance with sub-section (5) of section

42, and which has not resulted in the rejection of theprovision.

Section 88

Should the Folketing pass a Bill for the purposes ofa new constitutional provision, and the Government wish to proceed with thematter, writs shall be issued for the election of members of a new Folketing.If the Bill is passed unamended by the Folketing assembling after the election,the Bill shall, within six months after its final passage, be submitted to theelectors for approval or rejection by direct voting. Rules for this votingshall be laid down by statute. If a majority of the persons taking part in thevoting, and at least 40 per cent of the electorate, have voted in favour of theBill as passed by the Folketing, and if the Bill receives the Royal Assent, itshall form an integral part of the Constitutional Act.

30% of eligible voters for both optional and mandatory referendums; the only exception is the issue of amending theConstitution - it requires 40% of eligible voters.