Teams were told the 2016 Formula 1 season was going to start on April 10th, with the subsequent late schedule change causing issues for McLaren and Sauber.
Anthony West says he's in talks about a potential switch to the MCE British Superbike championship, having left the series in 2012 on the eve of the season opener.
Harry Tincknell will remain with JOTA Sport for a third consecutive campaign in the European Le Mans Series alongside Simon Dolan and Giedo van der Garde
The International North West 200 will continue to be backed by Vauxhall Motors Ltd in 2016 after the car giant extended its title sponsorship into a fourth year.
Mario Illien admits Renault faces a challenge to bring its power unit up to speed in time for its full return, but is optimistic progress will be swift.