Laws, Regulations & Annotations PTLG Table of Contents > Property Tax Annotations > I > 520.0000 IMPROVEMENTS VALUATION Property Taxes Law Guide – Revision 2017 Property Tax Annotations A B C D E F G H I L M N O P R S T U V W I 520.0000 IMPROVEMENTS VALUATION View entire section 520.0010 Docks and Docking Rights. 520.0040 Service Station Fixtures.