# The Town and Country Planning (General Permitted Development) (England) Order 2015, Paragraph CB.3: Interpretation of Class CB

Extent: E+W

For the purposes of Class CB—
“published admission number” has the meaning given in paragraph M.3 of Part 7 of this Schedule;
“RAAC” means reinforced autoclaved aerated concrete;
“RAAC-affected building” means a building on school land which has been vacated, in whole or in part, pursuant to a decision by the school, in discharge of its health and safety obligations, that the building should be vacated due to the presence of RAAC;
“relevant time” means—
(a)where development begins after 25th October 2023, before development begins or as soon as reasonably practicable after it has begun;
(b)where development begins on or before 25th October 2023, as soon as reasonably practicable after that date;
“school” does not include buildings or land provided at any time under Class C or CA;
“school land” means land available for use by a school for a purpose falling within Class F.1(a) (provision of education) of Schedule 2 to the Use Classes Order.

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Source: https://www.legislation.gov.uk/uksi/2015/596/schedule/2/paragraph/CB.3 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-england-order-2015/schedule-2/paragraph-CB.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.