19th - For employers operating PAYE, this is the deadline to send an Employer Payment Summary (EPS) to claim any reduction on what you'll owe HMRC.
22nd - Deadline for employers operating PAYE to pay HMRC. This is also the quarterly deadline for businesses that pay per quarter.
26th - Chancellor to deliver Spring Forecast to Parliament; tax changes may be announced.
31st - for many companies, it's the financial year-end, aligning with the financial year for Corporation Tax purposes, which runs from 1 April to 31 March.
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