- 2 December – Extended filing season deadline for non-provisional individual taxpayers (originally 23 November 2021)
- 7 December – Monthly Pay-As-You-Earn (PAYE) submissions and payments
- 24 December – Value-Added Tax (VAT) manual submissions and payments
- 30 December – Excise Duty payments
- 31 December – Corporate Income Tax (CIT) Provisional Tax payments where applicable
- 31 December – Value-Added Tax (VAT) electronic submissions and payments.
