2022 California Standards for Accessible Design Guide (effective January 1, 2023 with July 1, 2024 amendments)

11B-605.5.4 Toe Clearance.

The front partition and at least one side partition shall provide a toe clearance of 9 inches (229 mm) minimum above the finish floor and 6 inches (152 mm) deep minimum beyond the compartment-side face of the partition, exclusive of partition support members. Partition components at toe clearances shall be smooth without sharp edges or abrasive surfaces. Compartments for children’s use shall provide a toe clearance of 12 inches (305 mm) minimum above the finish floor.