(a) Except as otherwise provided in title 22 of the California Code of Regulations, Community Care Licensing Standards, the program may exceed adult-child ratios prescribed by section 18290 by fifteen percent (15%) of the total number of children in attendance for a period of time not to exceed one hundred twenty (120) minutes in any one day.

(b) The ratio for preschool during a scheduled nap period may be a 1:24 teacher-child ratio, provided that the remaining staff necessary to meet the adult-child ratio specified in section 18290 are immediately available at the center.

(c) For subsection (b) to apply, all napping children shall remain on a cot/mat. If one child gets up, additional staff need to be called in immediately to meet the required adult-child ratio.

(d) Subsections (a) and (b) above do not apply for part-day California State Preschool Programs.