Rule 3110. Where the deposition is to be taken within the state. A
deposition within the state on notice shall be taken:
1. when the person to be examined is a party or an officer, director,
member or employee of a party, within the county in which he resides or
has an office for the regular transaction of business in person or where
the action is pending; or
2. when any other person to be examined is a resident, within the
county in which he resides, is regularly employed or has an office for
the regular transaction of business in person, or if he is not a
resident, within the county in which he is served, is regularly employed
or has an office for the regular transaction of business in person; or
3. when the party to be examined is a public corporation or any
officer, agent or employee thereof, within the county in which the
action is pending; the place of such examination shall be the office of
any of the attorneys for such a public corporation or any officer, agent
or authorized employee thereof unless the parties stipulate otherwise.
For the purpose of this rule New York city shall be considered one
county.