8Entitlement
(1)The entitlement of the person or persons by whom a claim for child tax credit has been made is dependent on him, or either or both of them, being responsible for one or more children or qualifying young persons.
(2)Regulations may make provision for the purposes of child tax credit as to the circumstances in which a person is or is not responsible for a child or qualifying young person.
(3)For the purposes of this Part a person is a child if he has not attained the age of sixteen; but regulations may make provision for a person who has attained that age to remain a child for the purposes of this Part after attaining that age for a prescribed period or until a prescribed date.
(4)In this Part “qualifying young person” means a person, other than a child, who—
(a)has not attained such age (greater than sixteen) as is prescribed, and
(b)satisfies prescribed conditions.
(5)Circumstances may be prescribed in which a person is to be entitled to child tax credit for a prescribed period in respect of a child or qualifying young person who has died.