7SWhere the assessor makes up a valuation roll in respect of a financial year which is a year of revaluation within the meaning of section 37(1) of the 1975 Act (which defines terms used in that Act), he shall apportion the new net annual value and the new rateable value of any lands and heritages which are part residential subjects as between the residential and non-residential use of the subjects, and shall include in the entry relating to those lands and heritages a new apportionment note.