12SIn section 47(1) (interpretation), in the definition of “local authority”, for the words from “county” onwards there shall be substituted the words “regional, islands or district council”, in the definition of “local highway authority”, for the words from “a highway” onwards there shall be substituted the words “a regional council”, in the definition of “planning authority”, for the word “1947” there shall be substituted the word “1972” and at the appropriate place in alphabetical order there shall be inserted the following definitions—
““regional planning authority” and “district planning authority” have the meanings assigned to them by Part IX of the Local Government (Scotland) Act 1973;”.