All messages in a contract by both parties, expressly. It has signed up as evidence in the presence of a witness. Bani contract was made as the two were handed over to. "Management" and "contractor" shows each Division.
All messages express the agreement, both parties have signed the evidence of witnesses to this agreement shall be made in two copies are given to the "Management" and "contractor" display provided by each edition.
All text in contract explicitly, then both sides. the sign as evidence in front of a witness contract this act on 2 versions give, “ฝ่ายจัดการ "and" contractors exhibition. " In each edition.