Former defence minister Lindiwe Sisulu must produce proof that tender process to buy a new presidential jet was sound, the Democratic Alliance says.

“Sisulu should produce documentary evidence that the Minister of Finance, Pravin Gordhan, approved the deviation from normal competitive bidding processes,” DA MP David Maynier said.

Sisulu on Monday said she was “absolutely convinced” that the department had followed correct procurement processes regarding the R2bn Boeing 777-200 Long Range business jet.

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