# The Air Navigation (Carbon Offsetting and Reduction Scheme for International Aviation) Order 2021, Article 40: Rounding of data

Extent: E+W+S+N.I.

(1) Total annual emissions must be reported as tonnes of CO2 rounded to the nearest whole number.
(2) Unless otherwise provided in this Order, all variables used to calculate the emissions must be rounded to the nearest whole number for the purpose of calculating and reporting emissions.

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Source: https://www.legislation.gov.uk/uksi/2021/534/article/40 (the official version)
Page: https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/article-40
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.