New York Laws
Article 15 - Text-Books
702 - Requisites for Change.

ยง 702. Requisites for change. 1. When a text-book shall have been
designated for use in a school district or city as provided in
subdivision one of section seven hundred one, it shall not be lawful to
supersede such text-book by any other book within a period of five years
from the time of such designation, except upon a three-fourths vote of
the board of education, trustees or of such body or officer as performs
the function of such board.