The comprehensive agreement (S2006/1925) entered into force
on 4 September 2006 and has effect
(i) for income tax and capital gains tax from 2007-08,
(ii) for corporation tax from 1 April 2007.
The previous agreement (see DT3889) applies until those dates.
If using the HMRC Intranet, the new agreement can be viewed through the “New treaties/protocols in force” link on the sidebar. On the HMRC web-site, searching for “Botswana” will provide a link to the treaty.