Nearly 200 Republican congressmen have written to President Biden, warning that any nuclear deal reached with Iran without congressional approval "will meet the same fate" as the 2015 agreement, Axios writes.

The Biden administration is working to reach an agreement through indirect nuclear talks in Vienna. The IRI foreign minister has publicly urged Congress to pledge that the US will stay in the potential deal.

The letter from the Republican Party, signed by a majority of members of the party which according to polls will win a majority in the House of Representatives next year, explicitly rejects Iran's request. It also complicates Biden's already strained efforts to reopen the deal reached by the Obama administration and backed by the European Union and the UN Security Council.

The administration sees a return to the agreement as a way to avoid a nuclear arms race in an already turbulent Middle East.

"We will view any agreement reached in Vienna which is not submitted to the U.S. Senate for ratification as a treaty — including any and all secret agreements made with Iran directly or on the sidelines of official talks — as non-binding," the GOP lawmakers wrote to Biden.

The letter lays out conditions that Iran's leaders will likely never agree to.

Republicans promise to oppose any agreement that lifts US sanctions on Iran before the latter completely dismantles all of its enrichment facilities.

They also want Iran to destroy its nuclear-capable missiles, stop sponsoring terrorism and pay " US federal court judgments owed to the American victims of terrorism sponsored by the Iranian regime."

The letter is a clear statement to Iranians of the Republican Party's determination to oppose rejoining the 2015 nuclear deal, known as the Joint Comprehensive Plan of Action (JCPOA).