Perhaps the Jacobite line dies out?
Or, more likely, a new law reiterates the important parts of it, and then the Act of Settlement per se gets repealed in one of the Statute Law Revision bills.
Well, have the french inflict a decisive defeat to the english tanks to a successful military landing during either the war of the war of the austrian succession or the seven years war.
The Hanovers are expelled and the Stuarts get the throne back.
Since the law was designed to keep Catholics off the throne of England it would it was superceeded by the fact that all decendants of George II had to ask the King for permission to marry.
It was this, rather than the Act of Settlement, that kept the Prince Regent from marrying a catholic (Mrs Fitzherbert).
The Royal Marrages Act of 1772 means that the Act of Settlement could be repealed if necessary.
Well, like I was saying upthread, that could always be incorporated into later law, too.Not entirely. The provision in the Act of Settlement that all future monarchs must be descended from the Electress Sofia of Hannover would still be required even if the other 8 provisions can be incorporated into later law.