These have been commenced as follows:
Top-ups to reserved benefits, discretionary payments and devolved powers over universal credit commenced on 5 September 2016, and discretionary housing payments commenced on 1 April 2017.1The Scotland Act 2016 (Commencement No. 1) Regulations 2017. no. 759 (2017). (2017, April 26). Retrieved from <a href="http://www.legislation.gov.uk/uksi/2016/759/contents/made" target="_blank">http://www.legislation.gov.uk/uksi/2016/759/contents/made</a> [accessed 26 July 2017]
Split competence applies to disability, industrial injuries, carer's benefits, benefits for heating, maternity and funeral expenses from 17 May 2017 up to 1 April 2020 at the latest (see below).2The Scotland Act 2016 (Commencement No. 5) Regulations 2017. 2017 No 455.