New York Laws
Title 10 - Aid to Dependent Children
345 - Definition.

ยง 345. Definition. As used in this title the term "child" means a
person under eighteen years of age, or a person under nineteen years of
age who is a full-time student regularly attending a secondary school or
in the equivalent level of vocational or technical training if, before
such person attains age nineteen, such person may reasonably be expected
to complete the program of such secondary school or training.