substitute
(b) if the panel is on a block to which a relevant solar building envelope applies—no part of the panel projects beyond the relevant solar building envelope; and
(ba) if the panel is a protruding panel on a block to which a relevant solar building envelope does not apply—
(i) no part of the panel is more than 300mm above the closest point of the roof; or
(ii) no part of the panel restricts solar access to another block; and