In the 40-X/50-X, 40-X/65-B, 45-X/65-B, 55-X/65-B, and 65-B/75-B Height and Bulk Districts, as designated on Section Maps HT01, HT07, and HT08 of the Zoning Map, located within the boundaries of the Western SoMa Special Use District, but excluding those properties in the SALI District, height exceptions above the base height limit to the maximum height limit may be approved for a project in accordance with the procedures and criteria required for a conditional use authorization as set forth in Sections 303 and 823(c)(12) of this Code.