I raised the issue in that post as to whether or not it was within the legislative competence of the Scottish Parliament to organise a referendum concerning the dissolution of the United Kingdom. Paragraph 1 of Schedule 5 to the Scotland Act 1998 (SA) reserves to Westminster the following aspects of the constitution, among others "(a) the Crown including succession to the Crown and a regency" and "(b) the Union of the Kingdoms of Scotland and England". Paragraph 2 of Schedule 4 SA states that "an act of the Scottish Parliament cannot modify or confer power by subordinate legislation to modify the law on reserved matters" and Section 29(2)(b) SA says that it is outside the legislative competence of the Scottish Parliament to make a law which "relates to reserved matters".  Section 54(3) SA provides that it is outside the "devolved competence" of the Scottish Ministers to exercise any of their functions in any way which would be outside the legislative competence of the Scottish Parliament. I also noted that when promoting the Scotland Bill through the House of Lords in 1997, Lord Sewell stated that it was the UK Government's understanding and intention that these provisions would prevent the Scottish Parliament from legislating unilaterally to provide for any independence referendum. The current SNP-led Scottish administration has claimed that it would nonetheless be lawful for the Scottish Parliament to make provision for an 'advisory' referendum on independence which was not 'legally binding' but which would, it is said, give the