Pirelli is officially F1's tyre supplier for the next three years after signing a deal with the FIA.
Pirelli entered Formula One in 2011 when the Italian tyre manufacturer became the sport's sole supplier.
And although set to continue this season, it wasn't until Thursday that official confirmation of a deal came through.
"Following a decision by the World Motor Sport Council confirming Pirelli's status as the single supplier of tyres to the FIA Formula One World Championship, Pirelli and the FIA have renewed their Formula One tyre supply contract," said a FIA statement.
"The duration of the agreement is for three years, starting from the 2014 season."
The FIA also confirmed two new regulations to assist Pirelli with testing.
"These new rules, mandatory from the 2014 season onwards, can be summarised as follows," the statement continued.
"1) One of the 12 days of official pre-season testing, as prescribed in the 2014 sporting regulations, will be dedicated exclusively to wet tyre testing.
"2) Each team will dedicate one of their eight days of in-season testing, as prescribed in the 2014 sporting regulations, exclusively to tyre testing. This means that during each of the eight days of in-season testing, at least one team - and up to a maximum of two - will be concentrating on tyre testing along with Pirelli's engineers."
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