The 38-year-old retired from Test cricket two years ago, but remains available for ODI and T20I selection.
Du Plessis’ last ODI was against Australia at the 2019 World Cup in England and his last T20I against England in late 2020.
He was overlooked for both the 2021 and 2022 T20 World Cup squads by the Proteas selectors despite excelling in T20 leagues around the world.
Du Plessis was the second-highest run-scorer in the recent SA20, with 369 at an average of 41.00 and a strike rate of 147.60, despite finishing the tournament with two ducks. Before that, he had hit 113* and 92.
Meanwhile, Aiden Markram is in line to replace Temba Bavuma as T20I captain.
Markram led the Sunrisers Eastern Cape to the SA20 title after which he was also named captain of the Sunrisers Hyderabad for this year’s IPL.
