Section 184. Whoever, in order to help the other person not to be punished or to receive less punishment, damages, destroys, conceals, makes away with, loses or renders useless an evidence in the commission of an offence, shall be punished with imprisonment not exceeding five years or fined not exceeding ten thousand Baht, or both.
Section 185. Whoever, damaging, destroying, concealing, making away with, losing or rendering useless any property or document deposited with the Court or kept by the Court in the judicial proceedings, shall be punished with imprisonment not exceeding five years or fined not exceeding ten thousand Baht, or both.
Section 186. Whoever, damaging, destroying, concealing, making away losing or rendering useless any of property forfeited by the judgment of the Court, shall be imprisoned not out of three years or fined not out of one hundred Baht, or both.
Section 187. Whoever, in order to prevent the execution of the judgment or order of the Court, damages, destroys, conceals, makes away with, loses or renders useless the property which is seized or attached, or which he knows likely to be seized or attached, shall be punished with imprisonment not exceeding three years or fined not exceeding six thousand Baht, or both.
Section 188. Whoever, damaging, destroying, concealing, making away, losing or rendering useless will or document of the other person in the manner likely to cause injury to another person or the public people, shall be imprisoned not out of five years and fined not out of ten thousand Baht.
1. The Court shall have jurisdiction over the following offences against its administration of justice when committed intentionally:
(c) Corruptly influencing a witness, obstructing or interfering with the attendance or testimony of a witness, retaliating against a witness for giving testimony or destroying, tampering with or interfering with the collection of evidence;