Pirelli technician at work during preseason testing in Bahrain. (Photo: Getty Images)

technician at work during preseason testing in Bahrain. (Photo: Getty Images)

Pirelli has confirmed the tire testing schedule for the three in-season tests. The rules require each team to devote one of its six precious days to working for the Italian company.

The significance of the timing is that in theory when a team is tire testing, it is not working on developing its car.

In addition, there is a test in Abu Dhabi at the end of the year when all teams will run the 2015 tires.

The schedule is as follows:

Bahrain test (April 8-9)
Day 1: CATERHAM
Day 2: MERCEDES and WILLIAMS

Barcelona test (May 13-14)
Day 1: SAUBER and TORO ROSSO
Day 2: McLAREN and FORCE INDIA

Silverstone test (July 8-9)
Day 1: FERRARI and LOTUS
Day 2: RED BULL and MARUSSIA