I recorded my termination meeting because I was fearful that the employer would say that I resigned and was not sacked if I later brought an unfair dismissal claim.
Garden leave is the colloquial term used where an employer does not require you to attend the workplace but will still pay your usual remuneration during the period of garden leave. You remain an employee throughout the period of garden leave.
You are not required to sign a warning letter and you should certainly not do so if you consider the warning to be unjust or unreasonable.
Multiple laws will apply to your individual case.
Fair Work Act 2009 - protection and compensation
Find out how this Act influences your case.
Dealing with misleading conduct by your employer
The Competition and Consumer Act 2010 limits the way employers can conduct themselves.
Find a useful list of courts and institutions which may be involved in your case.