CHAPTER III — CRIMINAL OFFENCES
PART 11 — OFFENCES AGAINST THE ADMINISTRATION OF LAWFUL AUTHORITY
Division 1 — Corruption and the Abuse of Office
Sub-Division g — Other Offences Relating to the Aministration of Justice
Conspiracy to defeat justice and interference with witnesses
190. A person commits a summary offence if he or she —
(d) obstructs or in any way interferes with or knowingly prevents the execution of any legal process (civil or criminal) ;
Mental element
Knowledge - national proceedings
EDIT.