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HMRC internal manual

Company Taxation Manual

From
HM Revenue & Customs
Updated
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CTSA: quarterly instalments: amount due at each instalment: how to calculate ‘n’

Example 1

Accounting period 1.1.2012 to 31.12.2012 (12 months): n = 12.

Example 2

Accounting period 1.1.2012 to 31.7.2012 (7 months): n = 7.

Example 3

Accounting period 1.1.2012 to 28.7.2012 (6 months and 28 days).

28 / 30 x 100 = 93.33 recurring: n = 6.93.

Example 4

Accounting period 16.1.2012 to 28.7.2012 (6 months and 13 days).

13 / 30 x 100 = 43.33 recurring: n = 6.43.