(1)The Scottish Ministers may by regulations provide that the requirement imposed by section 18(1) does not apply—
(a)in circumstances specified in the regulations,
(b)in relation to heat networks of a description specified in the regulations.
(2)Regulations under subsection (1) may grant an exemption—
(a)either—
(i)indefinitely, or
(ii)for a period specified in the regulations,
(b)either—
(i)unconditionally, or
(ii)subject to conditions specified in the regulations.
(3)Regulations under subsection (1) may make different provision for different areas.