On 5 December 2023, HMRC confirmed that the double tax treaty (DTT) signed by the UK and San Marino on 17 May 2023 entered into force on 30 November 2023.
This DTT will have effect in San Marino from 1 January 2024 and in the UK:
- For income tax and capital gains tax, from 6 April 2024
- For taxes withheld at source, from 1 January 2024
- For corporation tax, from 1 April 2024