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Official guidance
Company Taxation Manual

CTM93000 · Corporation Tax self assessment: the filing obligation

  • CTM93005 · CTSA: the filing obligation: general
  • CTM93020 · CTSA: the filing obligation: specified and return periods
  • CTM93030 · CTSA: the filing obligation: filing date: definition
  • CTM93040 · CTSA: the filing obligation: filing date: detail
  • CTM93050 · CTSA: the filing obligation: filing date: examples
  • CTM93060 · CTSA: the filing obligation: filing date: further time
  • CTM93070 · CTSA: the filing obligation: filing date: Companies Act extension
  • CTM93080 · CTSA: the filing obligation: delivery of return
  • CTM93090 · CTSA: the filing obligation: delivery of return: content
  • CTM93100 · CTSA: the filing obligation: Delivery of return: interpretations
  • CTM93110 · CTSA: the filing obligation: Delivery of return: Must include SA
  • CTM93120 · CTSA: the filing obligation: information about partnership income
  • CTM93140 · CTSA: the filing obligation: prescribed form of CT600
  • CTM93160 · CTSA: the filing obligation: substitute return forms
  • CTM93180 · CTSA: the filing obligation: accounts to be delivered
  • CTM93190 · CTSA: the filing obligation: period accounts to cover
  • CTM93200 · CTSA: the filing obligation: Returns
  • CTM93210 · CTSA: The filing obligation: Computations
  • CTM93220 · CTSA: the filing obligation: Computations: in round thousands
  • CTM93230 · CTSA: the filing obligation: insurance companies
  • CTM93240 · CTSA: the filing obligation: overseas companies
  • CTM93250 · CTSA: the filing obligation: overseas companies: branches
  • CTM93255 · CTSA: the filing obligation: overseas companies: otherwise within the charge to corporation tax
  • CTM93260 · CTSA: the filing obligation: Unsatisfactory return and online filing
  • CTM93270 · CTSA: the filing obligation: unsatisfactory return: action to take
  • CTM93280 · CTSA: the filing obligation: estimated figures in returns
  • CTM93290 · CTSA: the filing obligation: estimated figures in returns: ICAEW Technical Release 12/92
  • CTM93300 · CTSA: The filing obligation: Amended returns
  • CTM93330 · CTSA: the filing obligation: correction of return by HMRC
  • CTM93010 · CTSA: the filing obligation: example
  • CTM93130 · CTSA: the filing obligation: information about chargeable gains
  • CTM93150 · CTSA: the filing obligation: prescribed form of CT200 (CTPF periods)
  • CTM93170 · CTSA: the filing obligation: returns: signature
  • CTM93310 · CTSA: the filing obligation: amended returns: CTPF
  1. Corporation Tax self assessment: the filing obligation: contents
  2. CTSA: the filing obligation: filing date: detail

CTM93040 | CTSA: the filing obligation: filing date: detail

From HM Revenue & Customs · Company Taxation Manual

FA98/SCH18/PARA14 (1) and (2)

The time limit for filing the return is ‘twelve months from the end of the period for which the return is made’ (FA98/SCH18/PARA14(1)(a)).

A company that has made and delivered a valid voluntary return is treated as having met its filing obligations.

There are some further rules to follow when determining the filing date.

1. Twelve months from the end of the period for which the return is made (Para 14(1)(a))

When the last day of the return period is:

  • anything other than 29 February (except as in the third point below) - the filing date is the correspondingly numbered day of the corresponding month of the following year.

  • 28 February in the year immediately before a leap year - the filing date is the last day of the corresponding month, i.e. 29 February.

  • 29 February - the filing date is (or is regarded as being) 28 February of the following year.

2. Three months from the date the notice is served (Para 14(1)(d))

The period of three months starts on the day after the day on which the notice was served and ends:

  • when the date of service is the last day of a calendar month, on the last day of the third following calendar month,

  • when the date of service is not the last day of a calendar month, on the correspondingly numbered day in the third following month,

  • when there is no day in the third following month corresponding to the day of service, on the last day of the third following month.

Note: For these purposes the date of service is the third working day after the date of postage for second class post and one working day after the date of postage for first class post unless the company proves otherwise (Interpretation Act 1978/S7).

Examples
Date of serviceFiling date
15 January15 April
27 November27 February
28 November 201828 February 2019
29 November 201828 February 2019
30 November 201828 February 2019
29 November 201929 February 2020
28 February 201931 May 2019
28 February 202028 May 2020
29 February 202031 May 2020
3. Twelve months from of the end of a period of account (Para 14(1)(b))

The same detailed rules apply as for ‘twelve months from the end of the period for which the return is made’.

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