The Council of Westchester Cooperatives and Condominiums held its first seminar in March.

The Council of New York Cooperatives and Condominiums will hold its 24th annual housing conference on Nov. 14.

Arthur I. Weinstein, vice president of the Council of York Cooperatives and Condominiums, agreed.

Arthur I. Weinstein, the vice president of the Council of New York Cooperatives and Condominiums, said that the answer surprised him.

Arthur I. Weinstein, vice president of the Council of New York Cooperatives and Condominiums, has described what might be a middle ground.

Of the 2,500 co-op buildings in Manhattan, fewer than 5 percent have ground leases, according to the Council of New York Cooperatives and Condominiums.

The Council of New York Cooperatives and Condominiums is sponsoring a seminar on Tuesday to explain the program.

Co-ops that want a copy of the model lease can contact the Council of New York Cooperatives and Condominiums at (212) 496-7400.

"This is a very significant case," said Marc Luxemburg, president of the Council of New York Cooperatives and Condominiums.

"The first, most important thing to remember is do not panic," said Stuart Saft, chairman of the Council of New York Cooperatives and Condominiums.