Up to three households can meet up during a five-day Christmas period of 23-27 December.
By Mary-Ann Russon & Lora Jones
Business reporters, BBC News
First Minister Nicola Sturgeon says there are no plans to relax restrictions for Hogmanay and New Year's Day.
First Minister Nicola Sturgeon has said households may be able to form slightly larger bubbles over the Christmas period.
By Graeme Esson
BBC Scotland website
The prime minister says that because he has criticised the performance of devolution does not mean he opposes it.
By Sir John Curtice
Professor of Politics at Strathclyde University
The first minister says level four restrictions for the west of Scotland are set to be lifted on 11 December.