Multiple Clan Impersonation

Scenario:

A Gangrel vampire performs Clan Impersonation (CI) to become Harbinger of Skulls. In a later turn, the same vampire (who still possesses the first CI) performs another CI to become !Toreador.

Question 1: Is the vampire now only !Toreador, or both !Toreador and Harbinger? (Note text that reads the new clan is instead of their "original clan" but not necessarily instead of their non-original clan.)

Question 2: Just for clarity, is the stacking order of the CIs remembered as part of the game state? If the vamp is only considered to be the most recent clan they impersonated, will they become the next most recent clan upon removing the last CI?

Question 3. Are the clans of the CIs remembered if the vampire is Banished and comes back out to the ready region, and if so, is the order of those CIs also preserved through such a Banishment cycle?

Thanks Much!
-Killiam

Name: Clan Impersonation
[AH:C2, CE:C]
Cardtype: Action
Cost: 2 blood
+1 stealth action.
Choose a clan and put this card on the acting vampire. This vampire is considered to be of the chosen clan instead of his or her original clan (if any). This vampire can burn this card as an action.

Name: Banishment
[DS:U2, FN:PS, CE:PTo/PV, KMW:PAn2, LoB:PG, SP:PoS2, 25th:2]
Cardtype: Political Action
Choose a ready younger vampire. Successful referendum means the chosen vampire is moved to the uncontrolled region (breaking any temporary control effects); any cards and counters on the chosen vampire stay with them but are out of play as long as the chosen vampire remains uncontrolled.

lip three to add to the rulings collection, if they are there already i couldn't find them.

Added the link below to the ruling of LSJ in regards of the ordering

[LSJ 28-MAR-2000]

Please submit rulings on the Codex website directly. But don't worry, I'm following the latest answers on the rulings section here and try to add them in a timely manner.