30 September
Latest date for filing of last year’s Tax Returns
Latest date for filing of last year’s Tax Returns if the Revenue are to process the calculations (recommended). Final deadline for filing these Returns is 31st January.
5 October
Notifying the Revenue of new income source
Latest date for notifying the Inland Revenue of a new source of income in the last tax year which puts you in the Higher Rate Tax band, or of a taxable Capital Gain, (only if you have not already received a Tax Return or a Notice to complete one).
31 January
Payments Due
Balancing payment of last year’s income tax and Capital Gains Tax due. first interim payment of this year’s income tax due.
31 January
Tax Return
This is the latest date for filing income Tax Returns for the tax year ending on the previous 5th April. Automatic penalties arise for later filing.
5 April
Latest Date for Realising Capital Losses
Latest date for realising capital losses against this year’s gains and for paying dividends to fall within this year.
19 May
Latest date for filing end of year payroll
Latest date for filing end of year payroll and sub-contractor forms P35 and SC35.
31 May
Provision of P60 to all employees
Latest date for provision of forms P60 to all employees.
6 July
Latest date for filing forms P11D (and P9D)
Latest date for filing forms P11D (and P9D). A copy must go to each employee by this date also.