The bilateral security agreement between Kabul and Washington was endorsed by 2,500 members of the national grand council (Loya Jirga).
The resolution passed by the national grand council (Loya Jirga) will allow thousands of US troops to remain in Afghanistan once combat operations have ended.
This comes as Afghan president Hamid Karzai said earlier that the bilateral security agreement with United States of America will be signed after presidential elections in 2014.
However, US officials said that it was “neither practical nor possible” to delay the signing of the bilateral security agreement between the two nations.
The bilateral security agreement also has to be approved by the Afghan parliament.
At least 15,000 foreign troops may remain in Afghanistan once the deal has been finalized, which will primarily provide training and mentor to Afghan national security forces.