Section 1619
Statutory text (Thai original)
ผู้ใดจะสละหรือจำหน่ายจ่ายโอนโดยประการใด ซึ่งสิทธิอันหากจะมีในภายหน้าในการสืบมรดกผู้ที่ยังมีชีวิตอยู่นั้นไม่ได้
Verbatim from the Royal Gazette / Office of the Council of State
English translation
A person cannot renounce or otherwise dispose of the rights which he may contingently have to the succession of a living person. (up (/law-texts/thailand-civil-code-part-1.html))
This English translation is provided for reference only and has not yet been firm-verified — always rely on the Thai original.
Firm annotation
Section 1619 is part of Book 6 (Succession) of the Thai Civil and Commercial Code. This entry is awaiting firm-authored commentary; the statutory text above is verbatim from the Office of the Council of State (OCS Krisdika) Thai source, with the English translation from the FAO/UN FAOLEX repository. Always rely on the Thai original for legal proceedings.