F1 teams reached agreеment to tweak regulations about testing in promotional and marketing purposes. With this agreement is forbiden to test new part on cars during this days.This ban comes after Ferrari recently used this lack of regulations for testing new exhaust system. Before it was done in the Mercedes GP team to promote the new design for the cover over the engine.

These tests have caused concern among rival teams, and teams in the last few weeks was trying to determine regulations in this area, to prevent gain of benefits by some teams. McLaren team
director, Martin Withmarsh confirm this, and is happy that now everyone knows what is and what is not allowed.

"I personally did not feel there was any ambiguity, but others argued that there was," he said. "But that is pressure, and when people are under pressure they try and take a different view. Now everything is clear."