The idea that the people are sovereign in Scotland is largely an SNP fantasy though with little to no basis in actual law . The question of whether or not Parliament is sovereign in Scotland really comes down to whether Parliament has the power to legislate contrary to the Act of Union , but the provision that states that Parliament will not normally legislate on devolved matters is part of the Scotland Act though which is a normal Act of Parliament , to be interpreted like a normal Act of Parliament see the Imperial Tobacco case , and therefore entirely open to Parliament to disregard if it wants to . The Scotland Act also doesn ' t include the second part of he Sewell convention , which is that Parliament will look to get a legislative consent motion where it does want to legislate on a devolved matter , so there are no limits in law on Parliament just going ahead and legislating contrary to the Scotland Act without even consulting the Scottish Parliament not that it would be an insurmountable legal issue if the Scotland Act did require Parliament to seek a legislative consent motion anyway . Mark Elliott has a good post on this that I ' d get for you if I wasn ' t on mobile , but if you google Mark Elliott Scotland Act Sewel convention you should be able to find it