Ban Ki-moon, the UN secretary-general, has urged countries to work on global arms treaty ahead of Friday's deadline, Al Jazeera reported.
Countries should "work in good faith towards bridging their differences," said Ban, the BBC reported.
The United States, China, and Russia opposed the treaty. The U.S. has opposed reporting ammunition exports. Both China and Russia have tried to restrict humanitarian reference, the BBC reported.
The BBC reported an estimate of 750,000 people killed by illicit weapons each year.
"We owe it to all the innocent civilians who have fallen victim to armed conflict and violence," said the Secretary General, Al Jazeera reported.