# The Milk (Special Designations) (Scotland) Order 1988, Paragraph 3


Indicating and recording thermometers shall be marked in graduations not greater than 1degC., adequately spaced to give clear readings, and each record shall be marked with the date on which it was made and shall be preserved for a period of not less than three months.

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Source: https://www.legislation.gov.uk/uksi/1988/2191/schedule/2/part/I/chapter/A./paragraph/3 (the official version)
Page: https://openlegislation.uk/milk-special-designations-scotland-order-1988/schedule-2/part-I/chapter-A./paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.