Under the New York regulation, advertising of team names must use the term «team» and include the full licensed name of the real estate brokers or state that the team is «at» or «of» [full name of the broker / the brokerage].» (nar.realtor)
A team name is not an assumed business name of the broker, and can not contain terms that imply that the team is offering brokerage services independent of the broker. (gfwar.org)
(ii) if the names are not included, the team name must be immediately followed by «at / of [full name of the broker / brokerage].» (govt.westlaw.com)