Are referendum results binding?

Thailand
Constitution (2017)
Section 166. In the case where there are reasonable grounds, the Council of Ministers may call for a referendum on any matter which is not an issue contrary to or inconsistent with the Constitution or an issue relating to any individual or group of persons as provided by law.
Section 256. Subject to section 255, amendment to the Constitution may be made under the rules and procedures as follows:
[…]
(8) in the case where the draft Constitution Amendment is an amendment to Chapter I General Provisions, Chapter II The King or Chapter XV Amendment to the Constitution, or a matter relating to qualifications and prohibitions of persons holding the positions under the Constitution, or a matter relating to duties or powers of the Court or an Independent Organ, or a matter which renders the Court or an Independent Organ unable to act in accordance with its duties or powers, before proceeding in accordance with (7), a referendum shall be held in accordance with the law on referendum, and if the referendum result is to approve the draft Constitution Amendment, further proceedings shall then be taken in accordance with (7);
The following two laws do not have clear provisions in this regard: