S5W-21292 Mark Griffin: To ask the Scottish Government, further to the statement by the Cabinet Secretary for Social Security and Older People to the Social Security Committee on 17 January 2019 (Official Report, c. 23) that "it does not make sense to have an interim solution [for the income supplement] that would also take a long time to deliver", what formal decision ministers or the Social Security Programme Board have made regarding not to proceed with an interim solution; whether ministers sought advice on this, and whether officials have recommended not to proceed with an interim solution.