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Diary of main tax events March / April 2018
Diary of main tax events March / April 2018

Diary of main tax events March / April 2018

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Date What’s Due 
1/03 Corporation tax payment for year to 31/5/17 (unless quarterly instalments apply)
19/03 PAYE & NIC deductions, and CIS return and tax, for month to 5/03/18 (due 22/03 if you pay electronically)
01/04 Corporation tax payment for year to 30/6/17 (unless quarterly instalments apply)
05/04 End of 2017/18 Tax Year. 2018/19 tax year starts 6 April 2018
19/04 PAYE & NIC deductions, and CIS return and tax, for month to 5/04/18 (due 22/04 if you pay electronically)