A provider may enroll a child for care at the child care home only if the child's age group is approved for care, as indicated on the provider's current certificate of registration. All children in care at any one time are counted as being in attendance for purposes of complying with the regulations governing capacity, group size, and staff/child ratios. The office: Shall count as a child in care a resident who is younger than 6 years old; and May count as a child in care a child who is visiting the child care home if the child: Is younger than 8 years old and unaccompanied by an adult; or Cannot be sent home immediately. The provider may not permit a child to remain in care for more than 14 hours in any 24-hour period on a regular basis without prior approval from the office.