He outlined the reasons for that in the memorandum: there could be a four-week delay before the bills could receive royal assent, for the reasons stated.While we accept that it could happen, we have received advice that, in fact, such a four-week delay would appear to be unlikely, particularly with regard to budget bills, because it is unlikely that vires issues would arise, and if the Secretary of State for Scotland and the three law officers agreed that they would not challenge the bill, it could be endorsed within days.