The European Union says that a text presented at the Iran nuclear talks in Vienna Monday is "final" and the respective government have to make their decisions.

Top European Union diplomat Josep Borrell said on Monday that a final text has been tabled, as indirect talks ended between Tehran and Washington in Vienna aimed at salvaging the 2015 nuclear pact known as the JCPOA.

"What can be negotiated has been negotiated, and it’s now in a final text. However, behind every technical issue and every paragraph lies a political decision that needs to be taken in the capitals," Borrell tweeted.

"If these answers are positive, then we can sign this deal."

Former US President Donald Trump withdrew from the 2015 agreement calling it inadequate and imposed sanctions on Iran. President Joe Biden upon taking office began indirect talks with Iran to revive the accord.

However, after 16 months of negotiations Tehran and Washington have not been able to make a deal, with Iran accelerating its nuclear program, which has further complicated to talks.

The last round of talks started August 4 in Vienna and ended on Monday with no deadline set for the parties to respond the the EU text.