Sir Jackie Stewart OBE will be joined by three-time Le Mans winner Allan McNish for the official opening of the Jim Clark Motorsport Museum.
The event will start at 12noon, on 29 August, with Sir Jackie privately touring the museum before unveiling a plaque outside at 1:45pm.
A publicly broadcast Q&A session with Sir Jackie and Allan McNish will take place outside the museum.
To allow for the official opening, the museum will be closed to the public until 3pm, but will remain open into the early evening.
Newtown Street in Duns will closed between the New Road/Langtongate junction and Duns Library Contact Centre for the official opening.
This will accommodate a display of supercars owned by Club Lotus members and provide an area for the public to gather to watch and listen to the Q&A session.
The new museum has been developed through a £1.6m partnership project, involving Scottish Borders Council, charity Live Borders and The Jim Clark Trust, with funding also coming from the National Lottery Heritage Fund, Museums Galleries Scotland, Fallago Environment Fund and individual donations from around the world.
The official opening date is Thursday 29 August has also been announced by The Jim Clark Trust as the closing date for the Jim Clark Lotus Evora charity competition.
The 100,000th Lotus ever built, signed by all 20 current Formula One drivers at this year’s Monaco Grand Prix is available to win for £20 helping to raise funds for the Trust and new museum: www.jimclarklotus.com.