Northern Ireland: border polls
The UK Secretary of State has the power to hold a border poll. They must hold one if they think a majority of people in Northern Ireland favour a united Ireland.

The Legislation (Territorial Extent) Bill is a Private Member’s Bill. The Bill applies to draft primary legislation and to secondary legislation published before the parent Act has gained Royal Assent. In these cases, it requires that the draft contain a statement setting out its legal effects on each nation of the United Kingdom, and that a memorandum accompany the draft showing its financial effects on each nation.
Legislation (Territorial Extent) Bill (110 KB , PDF)
The Legislation (Territorial Extent) Bill is a Private Member’s Bill. The Bill applies to draft primary legislation and to secondary legislation published before the parent Act has gained Royal Assent. In these cases, it requires that the draft contain a statement setting out its legal effects on each nation of the United Kingdom, and that a memorandum accompany the draft showing its financial effects on each nation.
Legislation (Territorial Extent) Bill (110 KB , PDF)
The UK Secretary of State has the power to hold a border poll. They must hold one if they think a majority of people in Northern Ireland favour a united Ireland.
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
This briefing looks at the independent review of the Windsor Framework commissioned by the government and democratic oversight of the Framework