http://www.legislation.gov.uk/ukpga/1991/55/schedule/3/paragraph/21Agricultural 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 3 1923 Act Improvements For Which Compensation May Be PayablePart III Improvements For Which No Consents Or Notice Required21Clay-burning.