(a) Yes. When 13 or more children are in care, you may mix groups for joint activities and exceed the maximum group size for limited times under the following conditions:(1) For children three years through four years old, for a maximum of 30 minutes;(2) For children five years old and older, for a maximum of 1 1/2 hours;(3) For mealtimes, field trips, outdoor play, and naptimes, for the length of that activity; and(4) For activities that are fundamental to the core development of a skill, talent, ability, expertise, or proficiency that is the goal of skill instruction or training that is a core component of your operation's program, for the length of the activity.(b) The child/caregiver ratio must be met for each group and activity.