- 7 January Monthly Pay-As-You-Earn (PAYE) submissions and payments
- 25 January Value-Added Tax (VAT) manual submissions and payments
- 28 January End of Filing Season 2021 for Individuals (Provisional) and Trusts
- 28 January Excise Duty payments
- 31 January Value-Added Tax (VAT) electronic submissions and payments & CIT Provisional payments where applicable
