This is accurate. It is subjective, and it depends on, I guess, the vehicle that is being adopted. It's subjective for the police officer to decide.
If it's a confirmation of service, it's up to them to decide whether they have reasonable grounds to suspect. If they're going for a subscriber information production order, in that case, it'll be up to a member of the judiciary to decide whether they've reached the threshold that would be necessary. It's the same thing for reasonable grounds to believe. It depends on....
It really is subjective, because these are the people who are making a decision on whether something has reached that threshold or not.