The Kurdish official said that the reports quoted Pavel Talabani, the son of former President Jalal Talabani, who was expressing his personal opinion.
Meanwhile, KRG President Masoud Barzani postponed a scheduled news conference on the controversial referendum from Saturday to Sunday.
On Thursday, the UN Security Council urged "dialogue and compromise" to address differences between the Iraqi government and the regional authorities.
It also said the vote could weaken the military campaign against Islamic State (IS), "in which Kurdish forces have played a critical role".
Turkey, home to the largest Kurdish population in the region and fighting a Kurdish insurgency, has warned that any break-up of neighbouring Iraq or Syria could lead to a global conflict. "You can't call off a referendum in exchange for negotiations where one side has said the only solution is going to be on their terms and not what you want".
Protesters rally against Iranian president at United Nations
The prospect of Iran resuming its nuclear work might seem a compelling reason for lawmakers to refuse to reimpose sanctions. The White House has until October 15 to notify Congress about whether it believes Iran is in compliance with the deal.
Since September 18, the Turkish army has been conducting tank drills near the border with the Iraqi Kurdish region.
"Holding a referendum is the decision of the people", Barzani said as he met with French ambassador to Iraq Bruno Aubert at his residence in Erbil, according to a statement issued by his office.
Turkey's prime minister on Saturday blasted a planned independence referendum in northern Iraq as "adventurism" that puts Turkey at risk. The United States and Iran and have also voiced opposition to the referendum saying it could destabilise the region and harm the fight against IS.
The Baghdad government, Iraq's neighbours and Western powers fear the vote could break up a country that has seen devastating sectarian and ethnic conflict since a 2003 USA -led invasion to topple Saddam Hussein.
The UN Security Council's vote is meant to reflect fears of nations across the world that, if the right to self-determination becomes commonplace, they'll lose territory. "So we could not agree on [a solution to] the crisis", Ali Allak, a member from Shia National Alliance, said.
Under Iraq's post-Saddam Hussein government, the Kurds have significant autonomy.