This document provides a summary of recent legal landmarks across various authorities and sections of tax law. It lists 6 cases covering topics like exemptions under sections 54F and 10(23C) of the Income Tax Act, penalties under sections 271B and 271(1)(c), tax deducted at source under section 194C, and principles of substantive versus protective assessment under section 143. For each case, it provides details like the authority, sections involved, case name, and ratio or principle established.