The parties have also agreed to form a joint commission to implement previous decisions to disarm the TPLF. African Union (AU) mediators say they “applaud both sides for these significant steps”.
Tigray has been largely inaccessible during the two-year war between Tigrean rebel forces and the central government. Hundreds of thousands of people are estimated to have been killed.
On Monday, peace talks began between the parties in Kenya, which have been extended beyond Thursday when they should have ended.
Earlier in November, the Ethiopian government and representatives of the Tigray region agreed to a ceasefire: