http://www.legislation.gov.uk/ukpga/1991/55/schedule/4/paragraph/20Agricultural Holdings (Scotland) Act 1991An Act to consolidate the Agricultural Holdings (Scotland) Act 1949 and other enactments relating to agricultural holdings in Scotland.1991-07-25texttext/xmlenStatute Law Database2021-06-01Expert Participation2021-02-28 SCHEDULESSCHEDULE 4 1931 Act Improvements For Which Compensation May Be PayablePart III Improvements For Which No Consent Or Notice Required20Clay-burning.