CIL regulations may include provision about how the following powers are to be used, or are not to be used—
section 106 of TCPA 1990 (planning obligations), and
section 278 of the Highways Act 1980 (c. 66) (execution of works).
CIL regulations may include provision about the exercise of any other power relating to planning or development.
The Secretary of State may give guidance to a charging or other authority about how a power relating to planning or development is to be exercised; and authorities must have regard to the guidance.
Provision may be made under subsection (1) or (2), and guidance may be given under subsection (3), only if the Secretary of State thinks it necessary or expedient for—
complementing the main purpose of CIL regulations,
enhancing the effectiveness, or increasing the use, of CIL regulations,
preventing agreements, undertakings or other transactions from being used to undermine or circumvent CIL regulations,
preventing agreements, undertakings or other transactions from being used to achieve a purpose that the Secretary of State thinks would better be achieved through the application of CIL regulations, or
preventing or restricting the imposition of burdens, the making of agreements or the giving of undertakings, in addition to CIL.
CIL regulations may provide that a power to give guidance or directions may not be exercised—
in relation to matters specified in the regulations,
in cases or circumstances specified in the regulations,
for a purpose specified in the regulations, or
to an extent specified in the regulations.