(1)A benefit known as universal credit is payable in accordance with this Part.
(2)Universal credit may, subject as follows, be awarded to—
(a)an individual who is not a member of a couple (a “single person”), or
(b)members of a couple jointly.
(3)An award of universal credit is, subject as follows, calculated by reference to—
(a)a standard allowance,
(b)an amount for responsibility for children or young persons,
(c)an amount for housing, and
(d)amounts for other particular needs or circumstances.