The Turkish Grand Prix's return to the Formula 1 calendar will depend on whether or not the country's government funds the race, according to the Turkish Automobile Sports Federation.
F1 boss Bernie Ecclestone said on Wednesday that he is keen to add the Turkish GP to the calendar in 2013 to make it a total of 20 races next season.
"We in TOSFED are making every effort so that Formula 1 races, which have been held seven times in our country until now, can be held at our Istanbul Park track... [in 2013] and in future years," said chairman Demire Berberoglu.
"Everybody knows that what is needed for its presence in the Formula 1 race calendar for 2013 and following years is a guarantee and approval of the required budget at the government level.
"This will develop according to the prime minister's decision."
The Turkish GP was last held in 2011.
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