416.1856—Who is considered a child.
We consider you to be a child if—
(a)
(1)
You are under 18 years old; or
(2)
You are under 22 years old and you are a student regularly attending school or college or training that is designed to prepare you for a paying job;
(b)
You are not married; and
(c)
You are not the head of a household.