"Any such decision would have to be considered by member states, notably the Security Council," Haq said on Wednesday.
Earlier in the day, German Defence Minister Annegret Kramp-Karrenbauer expanded on her proposal to create an international security zone in northern Syria, saying such a zone should be set up under the aegis of the United Nations.
Kramp-Karrenbauer first proposed creating an internationally monitored safe zone along the Syrian northern border on Monday to protect the mostly-Kurdish population in the area against the Turkish military operation that was launched on 9 October.