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The Democratic Alliance will announce its plans for electoral reform on Monday.
DA leader Helen Zille will be accompanied by parliamentary leader, Lindiwe Mazibuko and the chairperson of the party's federal executive, James Selfe.
The opposition says it's a long-standing DA policy to ensure Parliament is tied more directly to constituencies across the country.
The DA says over the past year its been working on a plan to make Parliament more relevant and responsive to the concerns of all South Africans.