Ask a landlord-tenant lawyer and get answers ASAP
At what point do i leave?
Response 1: When the City says that you must leave. So, while you are at the City getting a copy of the notice, ask the City when you must vacate the premises.
And what are my legal and financial rights?
Response 2: The Landlord MUST refund all rent paid and pay for your relocation costs. The City may have additional remedies for you. So, ask while you are there picking up a copy of the notice. The site below also has additional useful information:
If the Landlord refuses to refund rent paid and pay for relocation costs, you can file lawsuit for your damages.