# Corporation Tax Act 2009, Section 388: Basic rule: deficit set off against income and gains of deficit period

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

(1) The basic rule is that the deficit must be set off against any income and gains of the deficit period which are referable to BLAGAB.
(2) The income and gains are reduced accordingly.
(3) Any such reduction is made in accordance with step 4 in section 73 of FA 2012 (that is to say, before any deduction for the adjusted BLAGAB management expenses of the company for the deficit period).

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Source: https://www.legislation.gov.uk/ukpga/2009/4/section/388 (the official version)
Page: https://openlegislation.uk/corporation-tax-act-2009/section-388
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.