A voluntary membership whereby members states pledge not to produce nuclear materials for military purposes, and allow international inspection unimpeded access to nuclear sites, and in return they receive civilian nuclear technology shared by the members. So knowing this, Syria has no full legal or other rights and this does not concern Israel as Israel didn't sign the NPT. Sorry the truth hurts!
15 police officers killed in Colombia helicopter crash (Reuters)
from the article: IAEA: Bombed Syrian plant linked to three more suspected nuclear sites