Tax and business calendar
31 March 2023
End of corporation tax financial year.
End of CT61 quarterly period.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 March 2022 to be submitted to HMRC.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
Inflation rises to 10.4% in February
Salad and vegetable shortages drive soaring food prices.
Finance sector increases female representation
The proportion of women in senior management rises to 35%.
MTD for ITSA delay costs £1.75 billion
The scheme will roll out from 2026.
HMRC overhauls cryptoasset reporting
Changes will apply from 2024/25.
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