In D&D 4e, characters have a couple of straightforward ways to become Hidden through their skills.
The first is to use the Stealth skill. This is a check usually made at the end of a move. Using Stealth and being Hidden comes with many conditions, described straightforwardly and wonderfully in the Rules of Hidden Club.
Another way is through Bluff's Create a Diversion to Hide, which doesn't appear to ever be mentioned by the Rules of Hidden Club. From the Rules Compendium page 141:
Create a Diversion to Hide
Make a Bluff check to create a diversion and become hidden using the Stealth skill (page 152).
✦ Action: Standard action. A creature can take this action only once per encounter.
✦ Opposed Check: Against a target's passive Insight. The target must be able to see the creature creating the diversion. A creature can make the check against multiple targets at once, opposing the passive Insight of each target with a single Bluff check.
✦ Success: The creature can immediately make a Stealth check opposed by the passive Perception of any target that failed the opposed Bluff check. If the Stealth check succeeds against a target, the creature becomes hidden from that target until the end of the current turn or until immediately after the hidden creature makes an attack.
The part about making a Stealth check leaves me confused. To what extent does this involve actual usage of the Stealth skill?
It sounds like this is just a simple Stealth check (i.e.: d20 + Stealth mod vs. the target's passive perception), which then grants Hidden until the end of turn or until an attack. This would mean it bypasses many rules of Hidden Club that would normally come with using Stealth to hide. You could run around and yell at the top of your lungs, for instance.
... but since the Stealth skill just calls what it does a "Stealth check" too, this might really involve all the conditions of a normal usage of Stealth, except for having to have total concealment or superior cover, and having to keep out of sight.
Does "Create a Diversion to Hide" override any of the Rules of Hidden Club, or do I still have to follow all those rules as well? If it does, which rules is it letting me ignore?