A Zambian NGO has urged the UK to continue its support for Zambia's tax authority to ensure that more revenue is raised from mining companies and other multinationals.

The Centre for Trade Policy and Development (CTPD) said the new Zambian government has taken steps to increase the country's tax base – but, compared with the total amount of revenue that could be raised, there is a long way to go.

Savior Mwambwa, executive director of the CTPD, gave evidence on Tuesday before the UK parliamentary international development committee, which is looking at taxation in developing countries, focusing on Zambia, which committee members will visit in the next few weeks.

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