PART TWO
ON CRIMES
Chapter 15 On Perjury, False Prosecution and Other Untrue Statements
Section 8
A person who tampers with or removes evidence with the intent that an innocent person be convicted, or with such intent invokes false evidence, shall be sentenced for tampering with evidence to imprisonment for at most two years or, if the crime is petty, to a fine or imprisonment for at most six months.
If the crime is gross, imprisonment for at least six months and at most four years shall be imposed.
Presenting false or forged evidence
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
EDIT.