The FIA has agreed to relax the tough restrictions on Formula 1's radio communications between driver and team with immediate effect.
During a meeting to discuss ditching the new qualifying format, team bosses also raised concerns over the new radio limits rule which restricts what can be communicated to the driver during the race.
Of particular concern was being able to discuss strategy, with claims it would result in a driver simply following a pre-agreed strategy decided before the race, rather than being able to offer suggestions to the team and vice-versa mid-race.
The FIA's Charlie Whiting has now issued a revised list of permitted commands, lifting the ban on several strategy related messages.
A note to the teams said they could now discuss "the driver's own race pitstop strategy as well as those of his competitors, this is limited to the timing of pitstops and which tyres will be (or have been) used."
However the ban on more detailed communication such as that related to engine settings would continue to be restricted.
"For the avoidance of doubt, no car or power unit set up may be included in any such strategy discussion," added Whiting.
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