Each county assessor, except in counties of the first class and counties of the second class having an assessed valuation in excess of three hundred million dollars as of January 1, 1974, shall on or before October first of each year furnish to the county collector of the revenue of his county a list of all real property transfers occurring after January first of that year and before September first of that year. The list shall contain a description of the property transferred and the name of each grantor and grantee and their addresses, if known.