Regulations under this Part are to be made by the Secretary of State, unless otherwise provided.
A power to make regulations under this Part may be exercised—
so as to make different provision for different cases or purposes;
in relation to all or only some of the cases or purposes for which it may be exercised.
Such a power includes—
power to make incidental, supplementary, consequential or transitional provision or savings;
power to provide for a person to exercise a discretion in dealing with any matter.
Each power conferred by this Part is without prejudice to the others.
Where regulations under this Part provide for an amount, the amount may be zero.
Where regulations under this Part provide for an amount for the purposes of an award (or a reduction from an award), the amount may be different in relation to different descriptions of person, and in particular may depend on—
whether the person is a single person or a member of a couple;
the age of the person.
Regulations under section 11(4) or 12(3) which provide for the determination or calculation of an amount may make different provision for different areas.