Ordinance amending Sections 468.2, 468.3, 468.4, 468.5, 468.6, and 468.8 of the San Francisco Health Code to (1) set rounding rules for disclosure of nutritional information, (2) allow nutritional information for pizzas to be listed per serving size, (3) allow chain restaurants to display the information required by Section 468.4 in brochures and booklets, (4) authorize the Director of the Department of Public Health to adopt rules and regulations to enforce these provisions, and (5) extend the