17(1)In section 71(1) (modification of seaward boundaries), for “county” substitute (in each place) “ area ”.E+W
(2)At the end of section 71 add—
“(6)In subsection (1) above, “area” (except in “area of the sea”) means any local government area in Wales and any preserved county.
(7)No order may be made under this section extending any area into England.”