Formula 1's ruling body, the FIA, will toughen up the front wing deflection tests with immediate effect.
In a note sent to the teams, the governing body said it intends to introduce a further load/deflection test on parts of the bodywork forward of the front wheels.
A 60N point load will be applied to any part of the trailing edge of any front wing flap.
The load will be applied normal to the flap at the relevant point, and the deflection may not exceed 3mm when measured vertically at the trailing edge in order for the wing to meet the regulations.
It is unclear if the FIA is reacting to any of the current teams' designs.
It is believed that flaps are the key focus of the new test, as wings have got ever more complicated and with more parts.