Statute of Westminster 1931 - Implications For Succession To The Throne

Implications For Succession To The Throne

The preamble to the Statute of Westminster sets out conventions which affect attempts to change the rules of succession to the Crown. The second paragraph of the preamble to the Statute reads:

And whereas it is meet and proper to set out by way of preamble to this Act that, inasmuch as the Crown is the symbol of the free association of the members of the British Commonwealth of Nations, and as they are united by a common allegiance to the Crown, it would be in accord with the established constitutional position of all the members of the Commonwealth in relation to one another that any alteration in the law touching the Succession to the Throne or the Royal Style and Titles shall hereafter require the assent as well of the Parliaments of all the Dominions as of the Parliament of the United Kingdom:

This means, for example, that any change to the Act of Settlement's provisions barring Roman Catholics from the throne or giving male heirs precedence over females would require the unanimous consent of the parliaments of all the other Commonwealth realms if the unity of the Crown is to be retained. The preamble does not itself contain enforceable provisions, so the preamble merely expresses a constitutional convention, albeit one fundamental to the basis of the relationship between the Commonwealth Realms. (Of course, as sovereign nations, each is free to withdraw from the arrangement, using their respective process for constitutional amendment, and no longer be united through common allegiance to the Crown.)

The convention as to altering the "Royal Style and Titles" was altered by the Commonwealth Prime Ministers in 1953, when they agreed to pass individual Royal Style and Titles Acts to enact different royal styles in each realm.

Since 1931, over a dozen new Commonwealth realms have been created, all of which now hold the same powers as the United Kingdom, Canada, Australia and New Zealand over matters of change to the Monarchy (Ireland and South Africa are now republics, and Newfoundland is part of Canada). This has raised some logistical concerns, as it would mean sixteen parliaments would all have to vote to approve any future changes, such as the abolition of male-preference primogeniture.