# The Carriage of Dangerous Goods by Road Regulations 1996, Paragraph 7


Where, during the course of filling a storage tank, vapours given off by that storage tank are returned to the road tanker by means of a vapour balance pipe which is connected to a vapour balance hose emanating from that road tanker, the licensee shall ensure that that vapour balance pipe is marked with the words “vapour balance”.

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Source: https://www.legislation.gov.uk/uksi/1996/2095/schedule/12/paragraph/7 (the official version)
Page: https://openlegislation.uk/carriage-of-dangerous-goods-by-road-regulations-1996/schedule-12/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.